Using COc1ccc(C(=O)Cc2cc(F)c(F)cc2[N+](=O)[O-])cc1[N+](=O)[O-] to produce COc1ccc(-c2cc3cc(F)c(F)cc3[nH]2)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.