[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Laurencia tenera with data available."}, {"from": "gpt", "value": "[C][C][C@@H1][C@H1][Branch2][Ring1][#Branch2][C][C@@H1][Branch2][Ring1][Ring2][C@@H1][C][C@H1][Branch1][Ring2][O][Ring1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][/C][=C][/C][#C][Br][Br]"}]