Using Nc1ccc(-c2nc3cc(N4CCN(CCO)CC4)ccc3[nH]2)cc1[N+](=O)[O-] to produce Nc1ccc(-c2nc3cc(N4CCN(CCO)CC4)ccc3[nH]2)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.