Using CC(C)(C)OC(=O)NCCCNc1c([N+](=O)[O-])cccc1[N+](=O)[O-] to produce CC(C)(C)OC(=O)NCCCNc1c(N)cccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.