[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][C][C][C@@H1][Branch2][Branch1][O][C@][Branch2][Branch1][C][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring2][Branch2][C@@H1][Ring1][#Branch2][C][C][=C][C@][Ring1][=Branch1][Branch2][Ring1][O][C][C][C@@][Branch2][Ring1][Ring2][C@H1][Ring1][=Branch1][C][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][Branch1][C][C][C][C][C][C][Branch1][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 21beta, 22beta and 24-positions. It derives from a hydride of an oleanane."}]