[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Heliocidaris crassispina, Glyptocidaris crenularis, and other organisms with data available."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][S][=C][C][=C][Ring1][=Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O][C][=C][C][=Branch2][Ring1][P][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][=C][Branch2][Ring1][Ring1][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]