Using COC(=O)c1ccc(Cl)cc1N(C(=O)OC(C)(C)C)S(=O)(=O)c1ccc(OCc2ccccc2)cc1 to produce COC(=O)c1ccc(Cl)cc1N(C(=O)OC(C)(C)C)S(=O)(=O)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.