Using CC(C)(C)c1cc[nH]n1, O=C1C(O)CCN1c1cccc(C(F)(F)F)c1 to produce CC(C)(C)c1ccn(C2CCN(c3cccc(C(F)(F)F)c3)C2=O)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.