Using COC(=O)Cc1nn(Cc2ccc([N+](=O)[O-])cc2)c2ncccc12 to produce COC(=O)Cc1nn(Cc2ccc(N)cc2)c2ncccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.