Using NC[C@H](NC(=O)OCc1ccccc1)C(=O)O, COC(=O)[C@H](CNCC=CC(=O)C(F)(F)F)NC(=O)C(Cc1ccccc1)N1C(=O)c2ccccc2C1=O to produce COC(=O)[C@H](CN)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.