Using COC(=O)c1ccc(-c2cccc([N+](=O)[O-])c2)cc1C(=O)OC to produce COC(=O)c1ccc(-c2cccc(N)c2)cc1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.