[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Mycosphaerella rubella with data available."}, {"from": "gpt", "value": "[C][C@H1][Branch2][Ring1][Ring2][C][C][C][/C][=C][/C][C@@H1][Branch1][#Branch2][/C][=C][/C][=C][/C][=Branch1][C][=O][O][O][O][C][=O]"}]