[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][Branch2][C][O][C@@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][C@@H1][Branch2][Ring1][#Branch2][C@@H1][Branch2][Ring1][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a synthetic sphingoid in which C16 phytosphingosine is substituted at O-1, C-16 and N with respectively an alpha-D-galactopyranosyl group, a phenyl group and an octanoyl group. It is functionally related to a C16 phytosphingosine."}]