C/C(=N\N=C(/C=C/c1ccccc1)/C=C/c1ccccc1)c1nnn(-c2nonc2N)c1C	68	SMILES ERROR - Inconsistent EZ stereo information
[O-][NH+]1C(CO)=C(CO)[NH+]([O-])c2ccccc21	52	Strange valence at N
CCc1nc(SCC(=O)Nc2ccc([SH](N)(=O)O)cc2)n[nH]1	148	Strange valence at S