Using COc1ccc(S(=O)(=O)Cl)cc1, O=C(O)C1Cc2ccccc2CN1 to produce COc1ccc(S(=O)(=O)N2Cc3ccccc3CC2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.