[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Sinularia flexibilis with data available."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][=Branch1][C][=C][C@@H1][C][C][C@@][Branch2][Ring1][Branch2][C][=Branch1][C][=O][C][C][/C][=C][/C][C][C@][Branch1][#Branch2][C@H1][Branch1][Ring2][C][Ring1][#C][O][Ring1][Ring2][C][Branch1][C][C][O]"}]