Using CCC(COC)Nc1nccc(-c2ccc(OC)cc2C)c1[N+](=O)[O-] to produce CCC(COC)Nc1nccc(-c2ccc(OC)cc2C)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.