[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][C@H1][Branch1][Ring1][C][O][N]"}, {"from": "gpt", "value": "The molecule is a sphingoid that is the 3-keto analogue of sphingosine. It is an amino alcohol, an enone, a beta-hydroxy ketone and a sphingoid. It is functionally related to a sphing-4-enine and a sphingosine."}]