Using COc1ccc(-c2cccc(C(F)(F)F)c2)c2c1C(=O)CC2, COC(=O)C#N to produce COC(=O)C1Cc2c(-c3cccc(C(F)(F)F)c3)ccc(OC)c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.