[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a nonanone carrying oxo substituents at positions 4 and 6 respectively. It is a beta-diketone and a nonanone."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][C][C][C]"}]