[{"from": "human", "value": "Provide a description of this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a quaternary ammonium ion that is the the conjugate acid of carnitine. It has a role as a human metabolite and a mouse metabolite. It is functionally related to a gamma-amino-beta-hydroxybutyric acid. It is a conjugate acid of a carnitine."}]