Using C[O-], CS(=O)(=O)c1nc(Nc2ccc(C(F)(F)F)cc2)c2nc(Cc3c(Cl)cccc3Cl)sc2n1 to produce COc1nc(Nc2ccc(C(F)(F)F)cc2)c2nc(Cc3c(Cl)cccc3Cl)sc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.