Using CCOC(=O)[C@@H]1CC2C(O)CC1N2C(=O)OCc1ccccc1 to produce CCOC(=O)[C@@H]1CC2C(=O)CC1N2C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.