[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C][C@@H1][Branch2][Branch1][=C][C@][Branch2][Branch1][Branch1][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring2][O][C@@H1][Ring1][#Branch2][C][C][=C][C@][Ring1][=Branch1][Branch2][Ring1][=C][C][C][C@@][Branch2][Ring1][Ring1][C@H1][Ring1][=Branch1][C@@H1][Branch1][N][C][Branch1][Branch1][C][C][Ring1][=Branch1][Branch1][C][C][C][O][C][=Branch1][C][=O][O][C][C][Branch1][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by hydroxy groups at positions 3, 19 and 24 (the 3beta,19alpha stereoisomer). It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a sapogenin, a hydroxy monocarboxylic acid and a pentacyclic triterpenoid. It is functionally related to an oleanolic acid. It derives from a hydride of an oleanane."}]