[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Laurencia nipponica with data available."}, {"from": "gpt", "value": "[C][C][C@@H1][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@H1][C@H1][Branch1][P][C][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C@@H1][Branch1][=Branch1][C][/C][=C][/C][#C][O][Br]"}]