[{"from": "human", "value": "Describe this molecule. [C][C][/C][=C][/C][C][/C][=C][/C][/C][=C][/C][C][/C][=C][/C][C][/C][=C][/C][C][C][=Branch1][C][=O][O][C][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 O-acylcarnitine in which the acyl group is specified as (4E,7E,10E,13E,16E,19E)-docosahexaenoyl. It has a role as a rat metabolite and a mouse metabolite."}]