Using COc1ccc(C(=O)Nc2ccc(C3=NNC(=O)CC3C)cc2[N+](=O)[O-])cc1 to produce COc1ccc(C(=O)Nc2ccc(C3=NNC(=O)CC3C)cc2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.