Using COC(=O)[C@@H](Cc1ccc([N+](=O)[O-])c([N+](=O)[O-])c1)NC(=O)OCc1ccccc1 to produce COC(=O)[C@@H](Cc1ccc(N)c(N)c1)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.