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