[{"from": "human", "value": "Provide a description of this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an ammonium betaine that is the conjugate base of 3-dehydrocarnitinium; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a 3-dehydrocarnitinium."}]