[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C@H1][Branch1][O][C@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][O][NH3+1][O][O]"}, {"from": "gpt", "value": "The molecule is a cationic sphingoid that is the conjugate acid of C16 phytosphingosine, obtained by protonation of the primary amino function; major species at pH 7.3. It is a conjugate acid of a C16 phytosphingosine."}]