[{"from": "human", "value": "Describe this molecule. [C][C@@][C][C][C@@][Branch2][Branch1][=Branch1][C@@H1][Branch1][S][C][Ring1][=Branch1][=C][C][Branch1][Branch1][C][C][Ring1][#Branch2][Branch1][C][C][C][C][C][C@H1][C@][Ring1][=N][Branch2][Ring1][#Branch2][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][P][C][=Branch1][C][=O][C][C@@H1][Branch1][Branch2][C][Ring1][#Branch1][Branch1][C][C][C][O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is olean-18-ene substituted by a beta-hydroxy group at position 3 and oxo group at position 1. It has been isolated from the leaves and twigs of Juglans sinensis. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a secondary alcohol and a cyclic terpene ketone. It derives from a hydride of an oleanane."}]