[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][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][N][C@@H1][Branch2][Ring1][#Branch1][C][C][C][C][=Branch1][C][=O][N][C][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a synthetic alpha-galactosylsphingamide in which the galactose ring carries a (2S,3S,4R)-3,4-dihydroxy-2-(dodecanoylamino)-8-oxo-8-[(6-phenylhexyl)amino]octyl moiety at O-1. It has a role as an epitope."}]