[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Mesosphaerum pectinatum with data available."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring2][#C][C@@H1][Branch2][Ring2][Branch1][C][C@@H1][Branch2][Ring1][#Branch2][/C][=C][\\C@H1][C@H1][Branch1][=C][C@H1][Branch1][=Branch2][C][C][=Branch1][C][=O][O][Ring1][#Branch1][O][C][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C]"}]