Using CC#CCOc1ccc(S(=O)(=O)C2(C(=O)OC)CCN(C(=O)C3(C)COC(C)(C)OC3)CC2)cc1 to produce CC#CCOc1ccc(S(=O)(=O)C2(C(=O)O)CCN(C(=O)C3(C)COC(C)(C)OC3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.