Using COC(=O)[C@@H]1Cc2ccccc2N1C(=O)[C@H](CC(=O)OCc1ccccc1)NC(=O)C(F)(F)F to produce COC(=O)[C@@H]1Cc2ccccc2N1C(=O)[C@H](CC(=O)O)NC(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.