Using CS(N)(=O)=O, Cc1ccc(S(=O)(=O)N(CC(=O)NCc2cccc(C(=O)O)c2)c2cccc(Cl)c2C)cc1 to produce Cc1ccc(S(=O)(=O)N(CC(=O)NCc2cccc(C(=O)NS(C)(=O)=O)c2)c2cccc(Cl)c2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.