[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a ketone."}, {"from": "gpt", "value": "[C][C@][C][C][C@H1][C@H1][Branch1][#Branch2][C@@H1][Ring1][=Branch1][C][C][C][Ring1][=Branch2][=O][C][C][C][=C][C][=Branch1][=Branch2][=C][C][=C][Ring1][#C][C][Ring1][#Branch1][O][C]"}]