Using CC1(C)C(=O)Nc2cc(N3C(=O)c4ccccc4C3=O)cc(C(F)(F)F)c21 to produce CC1(C)C(=O)Nc2cc(N)cc(C(F)(F)F)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.