[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][N+1][Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an optically active form of O-butanoylcarnitine having L-configuration. It has a role as a metabolite. It is an O-butanoylcarnitine and a saturated fatty acyl-L-carnitine."}]