Using CCS, CN(C(=O)c1ncc(Cl)cc1Cl)c1ccc(SC(F)(F)F)cc1 to produce CCSc1cc(Cl)cnc1C(=O)N(C)c1ccc(SC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.