Using COC(=O)c1ccc2oc(=O)n(Cc3ccc([N+](=O)[O-])c([N+](=O)[O-])c3)c2c1 to produce COC(=O)c1ccc2oc(=O)n(Cc3ccc(N)c(N)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.