O=C(CCc1nc2ccccc2c(=O)[nH]1)Nc1ncc(Cc2ccc(F)c(F)c2)s1 SM18 0_1 O=C(CCc1nc2ccccc2c(=O)[nH]1)Nc1[nH+]cc(Cc2ccc(F)c(F)c2)s1 SM18 1_1 O=C(CCc1[nH]c(=O)c2ccccc2[nH+]1)Nc1ncc(Cc2ccc(F)c(F)c2)s1 SM18 1_2 O=C(CCc1nc2ccccc2c(=O)[n-]1)Nc1ncc(Cc2ccc(F)c(F)c2)s1 SM18 -1_1