Using c1ccc2[nH]ccc2c1, CC1(C(=O)Cl)CC(F)(F)C1(F)F to produce CC1(C(=O)c2c[nH]c3ccccc23)CC(F)(F)C1(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.