[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@][C][C][C@@][Branch2][Branch1][#Branch1][C][=C][Branch2][Ring1][Branch2][C][C][C@][Ring1][=Branch1][Branch1][S][C@@H1][Ring1][#Branch2][C][C][Branch1][Branch1][C][C][Ring1][=C][Branch1][C][C][C][C][C@][Branch2][Ring1][=Branch1][C][C][C@@H1][Branch1][S][C][Branch1][=Branch2][C@@H1][Ring1][=Branch1][C][C][Ring2][Ring1][Branch1][Branch1][C][C][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is oleanan-3-ol lacking the methyl group at position 8, which has a double bond between positions 8 and 9, and which is substituted by an alpha-methyl group at position 13. It is a pentacyclic triterpenoid and a secondary alcohol."}]