[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a pentacyclic triterpenoid that is ursane which contains a double bond between positions 12 and 13 and in which the hydrogen at the 3beta position is substituted by a hydroxy group. It is a pentacyclic triterpenoid and a secondary alcohol. It derives from a hydride of an ursane."}, {"from": "gpt", "value": "[C][C@@H1][C][C][C@@][Branch2][Branch1][Branch1][C][C][C@@][Branch2][Ring2][=C][C][=Branch2][Ring1][P][=C][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][C@@H1][Ring2][Ring1][#Branch1][C@H1][Ring2][Ring1][O][C][C][C]"}]