[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C][C][C@@H1][C@@][Branch1][P][C@@][Ring1][=Branch1][C][C][C@][Branch1][Ring2][O][Ring1][Branch1][Branch1][C][C][C][=C][Branch1][O][C][C][C][C][Ring1][=C][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic diterpenoid that is an intermediate in the biosynthesis of marrubiin by the medicinal plant Marrubium vulgare. It has a role as a plant metabolite. It is a labdane diterpenoid, a tricyclic diterpenoid and an oxaspiro compound."}]