Using O=C(O)C[C@H](NC(=O)C(F)(F)F)C(=O)O, COC(=O)[C@@H](N)Cc1ccccc1 to produce COC(=O)[C@H](Cc1ccccc1)NC(=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.