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