Using COC(=O)c1ccc(Cc2c[nH]c3ccc([N+](=O)[O-])cc23)c(OC)c1 to produce COC(=O)c1ccc(Cc2c[nH]c3ccc(N)cc23)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.