[{"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][Branch1][O][C@H1][Branch1][Ring1][C][O][NH1+1][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a sphingoid base(1+) that is the conjugate acid of N,N-dimethylsphingosine, obtained by protonation of the primary amino group; major species at pH 7.3. It is functionally related to a sphingosine(1+). It is a conjugate acid of a N,N-dimethylsphingosine."}]