O=[N+]([O-])c1ccc(NS(=O)(=O)c2ccc(Cl)c(C(F)(F)F)c2)c(Cl)c1    mol668    0_1
O=[N+]([O-])c1ccc([N-]S(=O)(=O)c2ccc(Cl)c(C(F)(F)F)c2)c(Cl)c1    mol668    -1_1