Using CCC(CCCCCCCCC(C)(C)CO)N1C(=O)c2cccc([N+](=O)[O-])c2C1=O, [N-]=[N+]=[N-] to produce CCC(CCCCCCCCC(C)(C)CO)N1C(=O)c2cccc(N=[N+]=[N-])c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.