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