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