[{"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@H1][C][C][C][C@][Branch2][Ring1][=Branch1][C@@][Ring1][=Branch1][C][C@@][Ring1][Ring1][Branch1][Branch1][C][C][Ring1][=Branch1][C][Branch1][C][C][Branch1][C][C][O][C]"}]