Using CC(C)(C)OC(=O)N1CCN(c2cccc3ccc(Nc4c([N+](=O)[O-])ccc[n+]4[O-])cc23)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2cccc3ccc(Nc4ncccc4N)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.