[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][O][C@H1][C][C][C@@][Branch2][Branch1][=Branch2][C@H1][C][C][C@@H1][C][=C][C][Branch2][Ring2][O][C][C][C@@][Ring1][=Branch1][Branch2][Ring1][=C][C][C][C@][Ring1][#Branch2][Branch2][Ring1][Branch1][C@@][Ring1][=C][Branch1][#C][C][C][C@H1][Ring2][Ring1][C][C][Ring2][Ring1][=Branch1][Branch1][C][C][C][C][C][C][=Branch1][C][=O][O][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is olean-18-ene substituted by an acetyloxy group at position 3 and a carboxy group at position 28. It has been isolated from Juglans sinensis. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a monocarboxylic acid and an acetate ester. It derives from a hydride of an oleanane."}]