[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C@H1][C][=C][C][C@H1][C@][Branch2][Ring1][#Branch2][C@@][Ring1][=Branch1][Branch2][Ring1][Ring1][C][C][C@][Ring1][#Branch2][Branch1][#Branch1][C][C][C][Ring1][=C][=C][C][=Branch1][C][=O][O][C][Branch2][Ring1][=N][C][C][C@@H1][C@@][Ring2][Ring1][C][Branch2][Ring1][C][C][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@@][Ring1][=Branch1][Branch1][C][C][C][O][O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is ursa-12,20(30)-diene substituted by a carboxy group at position 28 and hydroxy groups at positions 2, 3 and 23. It is a phytoalexin isolated from the peel of unripe kiwi fruit Actinidia deliciosa. It has a role as a metabolite and a phytoalexin. It is a pentacyclic triterpenoid and a hydroxy monocarboxylic acid. It derives from a hydride of an ursane."}]