Using C[N+](=O)[O-], O=Cc1ccc(-n2ccc(C(F)(F)F)n2)cc1Cl to produce O=[N+]([O-])C=Cc1ccc(-n2ccc(C(F)(F)F)n2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.