[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Cerbera manghas with data available."}, {"from": "gpt", "value": "[C][C][C][Branch1][S][C][Branch1][=Branch1][C][Ring1][Branch1][C][O][Branch1][Ring2][O][Ring1][=Branch1][C][O][C][C][O]"}]