[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Laurencia obtusa, Laurencia saitoi, and Laurencia dendroidea with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][C@][C][C@H1][Ring1][Ring1][C@@H1][Branch2][Ring2][#Branch2][C][C@@][Branch2][Ring2][Ring2][C@@H1][Ring1][#Branch1][C][C@H1][Branch2][Ring1][=Branch1][C@H1][C][Ring1][=Branch1][=C][C][C@][Branch1][Ring2][C][Ring1][=Branch1][Branch1][C][C][C@H1][Branch1][Ring1][C][O][Br][O][C][=Branch1][C][=O][C][C][O][C][=Branch1][C][=O][C]"}]