Using CS(=O)(=O)Nc1ccc(CNC(=O)C=Cc2ccc(C(F)(F)F)nc2Cl)cc1F, COCCN to produce COCCNc1nc(C(F)(F)F)ccc1C=CC(=O)NCc1ccc(NS(C)(=O)=O)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.