Using COC(=O)c1cc(O)c2ccc(C(F)(F)F)nc2c1, O=[N+]([O-])O to produce COC(=O)c1cc2nc(C(F)(F)F)ccc2c(O)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.