Using COc1ccc(-c2cccc(C(=O)N3CCN(c4ccc([N+](=O)[O-])cc4)CC3)n2)cc1OC to produce COc1ccc(-c2cccc(C(=O)N3CCN(c4ccc(N)cc4)CC3)n2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.