Using CC(O)C1C(=O)NC1CC(=O)OCc1ccccc1, CCN(CC)S(F)(F)F to produce CC(F)C1C(=O)NC1CC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.