[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C@H1][Branch2][Ring2][S][C@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C][C][Branch1][=C][C][C][C][C][C][/C][=C][\\C][C][C][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is an N-hydroxyhexadecenoylsphingosine-1-phosphocholine in which the N-acyl group is specified as (9Z)-3-hydroxyhexadec-9-enoyl. It has a role as a human urinary metabolite."}]