Using CC(C)(Cc1ccccc1)NC(=O)C(F)(F)F, CC(=O)Cl to produce CC(=O)c1ccc(CC(C)(C)NC(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.