[{"from": "human", "value": "Please give me some details about this molecule. [C][C][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 obtained by formal oxidation of the 3-hydroxy group of C20 sphinganine. It is functionally related to a C20 sphinganine. It is a conjugate base of a C20 3-dehydrosphinganine(1+)."}]