[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a (13)C-modified compound and a deuterated compound."}, {"from": "gpt", "value": "[2H][13C][Branch1][C][2H][Branch1][C][13CH3][13C][=Branch1][C][=O][13C][=Branch1][C][=O][O]"}]