Using CC1CCCN1C(C)(C)C(N)c1ccccc1, O=C(O)c1cccc(C(F)(F)F)c1Cl to produce CC1CCCN1C(C)(C)C(NC(=O)c1cccc(C(F)(F)F)c1Cl)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.