[{"from": "human", "value": "Please give me some details about this molecule. [C][C@][C][C][C@H1][Branch2][Branch1][=Branch2][C][Branch2][Ring2][P][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring2][#Branch1][C][Ring1][#Branch2][=C][C][=C][C@][Ring1][=Branch1][Branch2][Ring1][#Branch2][C][C][C@@][Branch1][S][C@H1][Ring1][=Branch1][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][Branch1][C][C][C][C][=Branch1][C][=O][O][C][C][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is oleana-9(11),12-diene substituted by an alpha-hydroxy group at position 3 and a carboxy group at position 28. Isolated from the leaves and twigs of Fatsia polycarpa, it exhibits anti-HBV activity. It has a role as a metabolite, an anti-HBV agent and a plant metabolite. It is a hydroxy monocarboxylic acid and a pentacyclic triterpenoid. It derives from a hydride of an oleanane."}]