[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Laurencia obtusa and Laurencia dendroidea with data available."}, {"from": "gpt", "value": "[C][C@H1][C][=Branch1][C][=O][C][=C][Branch2][Ring1][Branch2][C@@][Branch2][Ring1][Ring1][C@][Ring1][#Branch1][C][C][C@][Ring1][Ring2][Branch1][Branch2][C@H1][Branch1][Ring2][C][Ring1][#Branch1][Br][C][C][C]"}]