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