[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Pleurosigma strigosum with data available."}, {"from": "gpt", "value": "[C][C@H1][Branch1][=Branch2][C][C][C][=C][Branch1][C][C][C][C][C][C@H1][Branch1][=Branch2][C][C][C@@H1][Branch1][C][C][C][=C][/C][=Branch1][=Branch2][=C][/C][C][C][Branch1][C][C][C][/C]"}]