[{"from": "human", "value": "Design a molecule that meets the criteria 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@@H1][Branch2][Branch1][#Branch1][C@][Branch2][Branch1][C][C][C][=C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][C@@H1][Branch2][Ring2][Ring2][C][C@H1][C@][Ring1][#Branch1][Branch2][Ring1][O][C][C@H1][Branch1][P][C@H1][C@@][Ring1][=Branch1][Branch1][Ring2][C][Ring1][Ring1][C][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][C][O][C][Br]"}]