Using CC(C)N(C(=O)C=C(c1ccccc1)c1ccccc1C(F)(F)F)C(C)C to produce CC(C)N(C(=O)CC(c1ccccc1)c1ccccc1C(F)(F)F)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.