[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a sphingolipid in which D-xylo-phytosphingosine is substituted on O-1 by an alpha-D-galactosyl group and on nitrogen by a hexacosanoyl group. It is functionally related to a D-xylo-phytosphingosine."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][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][Ring1][C@@H1][Branch1][#C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][O]"}]