[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][=N][C][/C][=C][/C][Branch1][C][C][Branch1][C][C][O][C][C@H1][C][C][C@@][Branch2][Ring2][#Branch2][C@@][Ring1][Branch1][Branch2][Ring2][Ring1][C][C][C@][C@H1][Ring1][=Branch1][C@H1][Branch2][Ring1][Branch2][C][C@@H1][C@][Ring1][=Branch1][Branch1][Ring2][C][Ring1][#Branch1][C][C][C][=Branch1][C][=O][C][Ring1][Branch2][Branch1][C][C][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is 9beta,19-cyclolanost-25-ene substituted by an oxo group at position 3, a hydroxy group at position 7 and a methoxy group at position 25. It has been isolated from the leaves of Combretum quadrangulare. It has a role as a metabolite and a plant metabolite. It is a cyclic terpene ketone, a pentacyclic triterpenoid, an ether, a secondary alcohol and a 3-oxo-5alpha-steroid. It derives from a hydride of a cycloartane."}]