[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Imperata cylindrica with data available."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][=C][C][C][C][Branch1][S][C][Ring1][Branch1][=C][C][=Branch1][Ring2][=C][Ring1][=Branch2][C][=Branch1][C][=O][C][Branch1][C][C][O]"}]