Using CCOC(=O)C(C(=O)OC(C)(C)C)c1nc(NC2CCN(CCOC)CC2)ncc1[N+](=O)[O-] to produce CCOC(=O)C(C(=O)OC(C)(C)C)c1nc(NC2CCN(CCOC)CC2)ncc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.