[{"from": "human", "value": "Please give me some details about 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 a O-butenoyl-L-carnitine in which the acyl group is specified as crotonyl. It is an O-butenoyl-L-carnitine and a (2E)-enoyl-L-carnitine. It is functionally related to a crotonic acid."}]