Using CCOC(=O)/C=C(\N)C(F)(F)F, O=C=Nc1ccc(Cl)cc1[N+](=O)[O-] to produce O=c1cc(C(F)(F)F)[nH]c(=O)n1-c1ccc(Cl)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.