[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Porella swartziana with data available."}, {"from": "gpt", "value": "[C][C@H1][C][C][/C][=C][Branch2][Ring1][C][/C][C][C@@H1][C@@H1][Branch1][Branch1][C@H1][Ring1][#Branch2][O][C][Ring1][Branch1][Branch1][C][C][C][\\C]"}]