[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Pentanema britannicum with data available."}, {"from": "gpt", "value": "[C][C@H1][C][C][C@@H1][C@@][Branch2][Ring1][Ring1][C][C@@][Branch1][=C][C@@][Ring1][Branch1][Branch1][Branch2][C@@H1][Ring1][=Branch2][C][C][Ring1][Branch1][O][C][Branch1][C][C][C][O]"}]