[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a pentacyclic diterpenoid with formula C31H52O2, originally isolated from the leaves of Tripterygium hypoglaucum. It has a role as a plant metabolite. It is an ether, a pentacyclic triterpenoid and a secondary alcohol. It derives from a hydride of an oleanane."}, {"from": "gpt", "value": "[C][C@@][C][C][C@@][Branch2][Branch1][O][C][=Branch2][Ring2][=Branch1][=C][C@H1][Branch2][Ring1][#C][C@H1][C@][Ring1][=Branch1][Branch2][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][O][C][C@@H1][Ring2][Ring1][=Branch2][C][C][Branch1][=Branch1][C][C][Ring2][Ring1][=N][Branch1][C][C][C][C]"}]