[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@][C][C][C@@][C][C][C][Branch2][Ring2][S][C][Branch2][Ring2][#Branch1][C@@H1][Ring1][=Branch1][C@H1][Ring1][#Branch2][C][C][C@H1][C@][Ring1][=C][Branch2][Ring1][#Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][=C][C][C][C@@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][O][C][C][O][C][Ring2][Ring1][#Branch2][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a triterpenoid that is (18alpha)-19,28-epoxyoleanane substituted by a hydroxy group at position 3. It is a triterpenoid, a cyclic ether and a secondary alcohol. It derives from a hydride of an oleanane."}]