Using COC(=O)c1ccc(C(=O)N2CCN(c3ncccc3[N+](=O)[O-])CC2)cc1 to produce COC(=O)c1ccc(C(=O)N2CCN(c3ncccc3N)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.