COc1cc2[n+](=O)onc-2n2c1N=N[N]2 400 Error in aromatic system CN1C(=C2C=CC(=[Cl+])C=C2)N(C)c2ccccc21 138 Strange valence at Cl CC1CCC(C(C)C)C(OC(=O)CN2C(=C3C=CC(=[Cl+])C=C3)N(C)c3ccccc32)C1 31 Strange valence at Cl c1ccc(Cn2c[n+]3[cH-]c(-c4ccccc4)nc3n2)cc1 77 Error in aromatic system OC(N=NC=C1C=CC(=[Br+])C=C1)=C1C=CN(Cc2ccccc2)C=C1 293 Strange valence at Br O=[n+]1onc2n3c(ccc1-2)N=N[N]3 279 Error in aromatic system CC1CCC(C(C)C)C(OC(=O)CN2C(=C3C=CC(=[Br+])C=C3)N(C)c3ccccc32)C1 343 Strange valence at Br