[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C][C][C@@H1][C@][Ring1][Branch1][C][C][Branch1][O][C][C@H1][Ring1][Branch1][C][=C][Ring1][Branch2][C][O][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic triterpenoid that is pentalenene in which one of the hydrogens of the allylic methyl group is substituted by a hydroxy group. It is a primary alcohol and a sesquiterpenoid. It is functionally related to a pentalenene."}]