Using C[N+](=O)[O-], CN(C)c1cc(C=O)cc(C(F)(F)F)c1 to produce CN(C)c1cc(C=C[N+](=O)[O-])cc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.