Using N[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1, O=C=Nc1ccc(C(F)(F)F)cc1 to produce O=C(Nc1ccc(C(F)(F)F)cc1)N[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.