Using COc1ccc(Cn2nnnc2C(=O)Nc2cc([N+](=O)[O-])cc(C(C)=O)c2O)cc1 to produce COc1ccc(Cn2nnnc2C(=O)Nc2cc(N)cc(C(C)=O)c2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.