[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. 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 and a plant metabolite. It is a pentacyclic triterpenoid, a cyclic terpene ketone, an enone, an enol and a tetrol."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C@@H1][C][C@H1][Branch2][Branch1][O][C@H1][C@][Ring1][Branch1][Branch2][Branch1][C][C][C][C@@][Branch2][Ring2][O][C@@][Ring1][=Branch1][Branch2][Ring2][Ring2][C][C][=C][C@H1][Ring1][=Branch1][C@H1][Branch2][Ring1][=Branch2][C][C@@H1][C@@][Ring1][=Branch1][Branch1][P][C][=C][Branch1][N][C][=Branch1][C][=O][C][Ring1][#Branch1][Branch1][C][C][C][O][C][O][C][C][C][O][O]"}]