Using COc1ccc(S(=O)(=O)N2CN(Cc3ccccc3)C(=O)C[C@@H]2C(=O)OCc2ccccc2)cc1 to produce COc1ccc(S(=O)(=O)N2CN(Cc3ccccc3)C(=O)C[C@@H]2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.