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