[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Plocamium cartilagineum with data available."}, {"from": "gpt", "value": "[C][C@@][Branch2][Ring1][Branch1][C@@H1][Branch1][P][C][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C@][Branch1][C][C][Branch1][Ring1][C][Cl][Br][Br][/C][=C][/Br]"}]