Using CC(C)(C)OC(=O)N1CCN(c2ncnc3ccc([N+](=O)[O-])cc23)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2ncnc3ccc(N)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.