Using CC(=O)OC1C(C)(C)OC(=O)C12CCN(C(=O)OCc1ccccc1)CC2 to produce CC(C)(O)C(O)C1(CO)CCN(C(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.