Using COc1cc(-n2nc(C3=CCN(C(=O)OC(C)(C)C)CC3)c3ncnc(N)c32)ccc1[N+](=O)[O-] to produce COc1cc(-n2nc(C3CCN(C(=O)OC(C)(C)C)CC3)c3ncnc(N)c32)ccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.