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