Using COC(=O)CCCCCOc1ccc2nc(-c3ccccc3)n(-c3ccccc3)c2c1[N+](=O)[O-] to produce COC(=O)CCCCCOc1ccc2nc(-c3ccccc3)n(-c3ccccc3)c2c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.