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