[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][C][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a metabolite that accumulates in Maple Syrup Urine Disease (MSUD) and shown to compromise brain energy metabolism by blocking the respiratory chain; this is of relevance to the understanding of the pathophysiology of the neurological dysfunction of MSUD patients.  (A3497)."}]