Using O=C(Cl)c1ccccc1C(F)(F)F, COC(=O)C(C#N)c1ccc(Cl)cc1 to produce COC(=O)C(C#N)(C(=O)c1ccccc1C(F)(F)F)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.