[{"from": "human", "value": "Provide a description of this molecule. [C][C@@][C][=Branch1][O][=C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][C@@H1][Branch1][Branch2][C][Ring1][O][Branch1][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Ligusticum grayi with data available."}]