Using COc1ccc(S(=O)(=O)N2CCc3cccc(N)c32)cc1, O=C(Cl)c1ccncc1 to produce COc1ccc(S(=O)(=O)N2CCc3cccc(NC(=O)c4ccncc4)c32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.