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