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