[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a synthetic alpha-galactosylsphingamide in which the galactose ring carries a (2S,3S,4R)-3,4-dihydroxy-2-(octanoylamino)-8-oxo-8-[(8-phenyloctyl)amino]octyl moiety at O-1."}, {"from": "gpt", "value": "[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][=C][C@@H1][Branch2][Ring1][=Branch2][C][C][C][C][=Branch1][C][=O][N][C][C][C][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O]"}]