Using COCOc1cccc(OC)c1-c1ccc([N+](=O)[O-])cc1C(=O)OC to produce COCOc1cccc(OC)c1-c1ccc(N)cc1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.