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