[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@][C][C][C@H1][Branch2][Branch1][=N][C][Branch2][Branch1][Branch1][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring2][O][C@@H1][Ring1][#Branch2][C@@H1][Branch2][Ring2][Ring1][C][C@H1][C@][Ring1][=Branch1][Branch2][Ring1][#Branch2][C][C][C@@][Branch1][S][C][Ring1][=Branch1][=C][C][Branch1][Branch1][C][C][Ring1][=Branch1][Branch1][C][C][C][C][=Branch1][C][=O][O][C][O][C][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is olean-18-ene substituted by alpha-hydroxy groups at positions 3 and 11 respectively and a carboxy group at position 28. It has been isolated from the leaves and twigs of Fatsia polycarpa. It has a role as a plant metabolite. It is a hydroxy monocarboxylic acid and a pentacyclic triterpenoid. It derives from a hydride of an oleanane."}]