Using COc1ccc(OC(=O)C2CCCc3ccc([N+](=O)[O-])cc32)cc1 to produce COc1ccc(OC(=O)C2CCCc3ccc(N)cc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.