[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C@@H1][C][C@H1][Branch2][Branch1][Ring1][C@H1][C@][Ring1][Branch1][Branch2][Ring2][O][C][C][C@@][Branch2][Ring2][Ring2][C@@][Ring1][=Branch1][Branch2][Ring1][=N][C][C][=C][C][Ring1][=Branch1][=C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=C][C][C][C@@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][O][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis. It has a role as a metabolite, an antineoplastic agent and a plant metabolite. It is a pentacyclic triterpenoid and a diol."}]