[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@][C][C][C@@][Branch2][Branch1][=Branch2][C][=Branch2][Ring1][P][=C][C][C@H1][C@][Ring1][=Branch1][Branch2][Ring1][#Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=C][C][C][C][=Branch1][C][=O][C][Ring1][#Branch1][Branch1][C][C][C][C][C][C@@H1][Ring2][Ring1][#Branch1][C][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C][Ring2][Ring1][O][O][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is olean-12-ene substituted by an oxo substituent at position 3 and a beta-hydroxy group at position 21. Isolated from the root barks of Hippocratea excelsa, it exhibits antigiardial activity. It has a role as a metabolite and an antiprotozoal drug. It is a pentacyclic triterpenoid, a secondary alcohol and a cyclic ketone. It derives from a hydride of an oleanane."}]