[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Marchantia quadrata with data available."}, {"from": "gpt", "value": "[C][C@@H1][C][C][C][C@@][Branch1][P][C][Ring1][=Branch1][=C][C][=Branch1][Branch1][=C][C][Ring1][=Branch1][C][Branch1][C][C][C][C]"}]