[{"from": "human", "value": "Provide a description of this molecule. [C][C@][Branch2][Ring1][=C][C][C][C@@H1][C][=Branch2][Ring1][Ring2][=C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][C][Ring1][P][C][=C]"}, {"from": "gpt", "value": "The molecule is a pimaradiene."}]