[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@H1][C][C][C@H1][C@][Branch1][O][C@@H1][Ring1][=Branch1][C][C][=C][Ring1][#Branch2][C][=C][Branch1][=C][C][C][C@H1][Branch1][Branch2][C][Ring1][N][Branch1][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a diterpenoid that is ent-cassa-12,15-diene in which the hydrogen at position 3beta has been replaced by a hydroxy group. It is a diterpenoid and a secondary alcohol. It derives from a hydride of an ent-cassa-12,15-diene."}]