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