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