NC(=O)c1ccc(-c2ccc(/C(=N\O)[NH2+][O-])cc2)cc1	336	Strange valence at N
CC1=NN(c2ccc([N+](=O)[O-])cc2)C(=O)C1[NH2+][O-]	289	Strange valence at N
Cc1ccc([NH2+][O-])c(NC2CCN(C(=O)OC(C)(C)C)CC2)c1	196	Strange valence at N
O=[N+]([O-])c1ccccc1SSc1ccccc1[NH2+][O-]	366	Strange valence at N
Fc1c[c-]ccc1	24	Error in aromatic system
[Cl+]=C(N1CCCC1)N1CCCC1	109	Strange valence at Cl