[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Ophiopogon with data available."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=Branch2][C][C][C][C][Ring1][Branch1][Branch1][S][C][Branch1][Ring2][C][Ring1][=Branch1][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C]"}]