[{"from": "human", "value": "Describe this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O][C][=O]"}, {"from": "gpt", "value": "The molecule is any O-acylcarnitine in which the carnitine component has L-configuration and the acyl group is a fatty acid. It is an O-acyl-L-carnitine and a fatty acid derivative."}]