[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a ketone."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C@@][Branch1][#Branch1][C@H1][Ring1][=Branch1][C][Ring1][Ring1][C][Branch1][C][C][C]"}]