Using CCCN(CCC)C(=O)CNc1nc(-c2ccccc2)ncc1[N+](=O)[O-] to produce CCCN(CCC)C(=O)CNc1nc(-c2ccccc2)ncc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.