[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Plakortis halichondrioides with data available."}, {"from": "gpt", "value": "[C][C][/C][=C][/C@H1][Branch1][Ring1][C][C][C][C@][Branch1][=C][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch1][C][C][C][C]"}]