[CX4]
[CX3]=[OX1] 
[CX3](=[OX1])C 
[OX1]=CN 
[CX3](=[OX1])O 
[CX3](=[OX1])[F,Cl,Br,I] 
[CX3H1](=O)[#6] 
[CX3](=[OX1])[OX2][CX3](=[OX1]) 
[NX3][CX3](=[OX1])[#6] 
[NX3][CX3]=[NX3+] 
[NX3,NX4+][CX3](=[OX1])[OX2,OX1-] 
[NX3][CX3](=[OX1])[OX2H0] 
[NX3,NX4+][CX3](=[OX1])[OX2H,OX1-] 
[CX3](=O)[O-] 
[CX3](=[OX1])(O)O 
[CX3](=[OX1])([OX2])[OX2H,OX1H0-1] 
[CX3](=O)[OX2H1] 
[CX3](=O)[OX1H0-,OX2H1] 
[NX3][CX2]#[NX1] 
[#6][CX3](=O)[OX2H0][#6] 
[#6][CX3](=O)[#6] 
[OD2]([#6])[#6]
[H] 
[!#1] 
[H+] 
[+H] 
[!H]
[!H1] 
[NX3][CX3]=[CX3] 
[NX3,NX4+][CX4H]([*])[CX3](=[OX1])[O,N] 
[NX3H2,NH3X4+][CX4H]([*])[CX3](=[OX1])[NX3,NX4+][CX4H]([*])[CX3](=[OX1])[OX2H,OX1-] 
[CH3X4] 
[CH2X4][CH2X4][CH2X4][NHX3][CH0X3](=[NH2X3+,NHX2+0])[NH2X3] 
[CH2X4][CX3](=[OX1])[NX3H2] 
[CH2X4][CX3](=[OX1])[OH0-,OH] 
[CH2X4][SX2H,SX1H0-] 
[CH2X4][CH2X4][CX3](=[OX1])[OH0-,OH] 
[CHX4]([CH3X4])[CH2X4][CH3X4] 
[CH2X4][CHX4]([CH3X4])[CH3X4] 
[CH2X4][CH2X4][CH2X4][CH2X4][NX4+,NX3+0] 
[CH2X4][CH2X4][SX2][CH3X4] 
[CH2X4][cX3]1[cX3H][cX3H][cX3H][cX3H][cX3H]1 
[CH2X4][OX2H] 
[NX3][CX3]=[SX1] 
[CHX4]([CH3X4])[OX2H] 
[CH2X4][cX3]1[cX3H][nX3H][cX3]2[cX3H][cX3H][cX3H][cX3H][cX3]12 
[CH2X4][cX3]1[cX3H][cX3H][cX3]([OHX2,OH0X1-])[cX3H][cX3H]1 
[CHX4]([CH3X4])[CH3X4] 
[CH3X4] 
[CH2X4][CH2X4][CH2X4][NHX3][CH0X3](=[NH2X3+,NHX2+0])[NH2X3] 
[CH2X4][CX3](=[OX1])[NX3H2] 
[CH2X4][CX3](=[OX1])[OH0-,OH] 
[CH2X4][SX2H,SX1H0-] 
[CH2X4][CH2X4][CX3](=[OX1])[OH0-,OH] 
[CHX4]([CH3X4])[CH2X4][CH3X4] 
[CH2X4][CHX4]([CH3X4])[CH3X4] 
[CH2X4][CH2X4][CH2X4][CH2X4][NX4+,NX3+0] 
[CH2X4][CH2X4][SX2][CH3X4] 
[CH2X4][cX3]1[cX3H][cX3H][cX3H][cX3H][cX3H]1 
[CH2X4][OX2H] 
[CHX4]([CH3X4])[OX2H] 
[CH2X4][cX3]1[cX3H][nX3H][cX3]2[cX3H][cX3H][cX3H][cX3H][cX3]12 
[CH2X4][cX3]1[cX3H][cX3H][cX3]([OHX2,OH0X1-])[cX3H][cX3H]1 
[CHX4]([CH3X4])[CH3X4]
[#7] 
[NX2]=N 
[NX2]=[NX2] 
[NX3][NX3]
[NX3][NX2]=[*]
[NX3+]=[CX3]
[CX3](=[OX1])[NX3H][CX3](=[OX1]) 
[CX3](=[OX1])[NX3H0]([#6])[CX3](=[OX1]) 
[CX3](=[OX1])[NX3H0]([NX3H0]([CX3](=[OX1]))[CX3](=[OX1]))[CX3](=[OX1])
[NX1]#[CX2] 
[CX1-]#[NX2+]
[NX2]=[OX1]
[OX2H] 
[#6][OX2H] 
[OX2H][CX3]=[OX1] 
[OX2H]P 
[OX2H][#6X3]=[#6] 
[OX2H][cX3]:[c] 
[OX2,OX1-][OX2,OX1-] 
[S-][CX3](=S)[#6] 
[#6X3](=[SX1])([!N])[!N] 
[SX2] 
[#16X2H] 
[#16!H0] 
[NX3][CX3]=[SX1]
[#16X2H0] 
[#16X2H0][!#16] 
[#16X2H0][#16X2H0] 
[#16X2H0][!#16].[#16X2H0][!#16] 
[SX4](C)(C)(=O)=N 
[#16X2][OX2H,OX1H0-] 
[#16X2][OX2H0]
[#6][F,Cl,Br,I] 
[F,Cl,Br,I] 
[CX3](=[OX1])[F,Cl,Br,I] 
[R0;D2][R0;D2][R0;D2][R0;D2] 
[R0;D2]~[R0;D2]~[R0;D2]~[R0;D2] 
[AR0]~[AR0]~[AR0]~[AR0]~[AR0]~[AR0]~[AR0]~[AR0] 
[R2][R2] 
[R0]
[!R] 
[r;!r3;!r4;!r5;!r6;!r7] 
[sX2r5] 
[oX2r5] 
[nX2r5] 
[X4;R2;r4,r5,r6](@[r4,r5,r6])(@[r4,r5,r6])(@[r4,r5,r6])@[r4,r5,r6]
[cR1]1[cR1][cR1][cR1][cR1][cR1]1 
[cR1]1[cR1][cR1][cR1][cR1][cR1]1.[cR1]1[cR1][cR1][cR1][cR1][cR1]1 
[NX3,NX4+][CX4H]([*])[CX3](=[OX1])[O,N] 
[#16X2H0] 
[#16X2H0][!#16] 
[#16X2H0][#16X2H0] 
[#16X2H0][!#16].[#16X2H0][!#16] 
[OX2H,OX1H0-] 
[OX2H0] 
[H1,H0-] 
[#6]
[c,C] 
[#0] 
[OX2,OX1-][OX2,OX1-]
[O;X2,X1-][O;X2,X1-] 
[N&X4&+,N&X3&+0]
[NX4+,NX3+0] 
[*!H0,#1] 
[#6!H0,#1] 
[H,#1] 
[CX3](=O)[OX2H1] 
[CX3](=O)[OX1H0-,OX2H1] 
[CX3](=[OX1])[F,Cl,Br,I] 
[NX2-] 
[OX2H+]=* 
[OX3H2+] 
[#6+] 
[+1]~*~*~[-1] 
[#6,#7;R0]=[#8] 
[!H0;#7,#8,#9] 
[#6;X3v3+0] 
[#7;X2v4+0] 
[#8]=[C,N]-aaa[F,Cl,Br,I] 
[O,N;!H0;R0] 
[#8]=[C,N]
O=[C,N] 
[nX3r5+]:c:n 
[!#1;!#2;!#3;!#5;!#6;!#7;!#8;!#9;!#11;!#12;!#15;!#16;!#17;!#19;!#20;!#35;!#53]
cc
c:c
c-c
O
[O;H1]
[O;D1]
[O;D2]
[C,c]
[F,Cl,Br,I]
[N;R]
[!C;R]
[n;H1] 
[n&H1] 
[c,n&H1] 
[c,n;H1]  
[C,c]=,#[C,c]
