Using CCC(C(=O)O)N(c1cccc(Cl)c1C)S(=O)(=O)c1ccc(C)cc1 to produce Cc1ccc(S(=O)(=O)N(CC(=O)O)c2cccc(Cl)c2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.