[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a glycophytoceramide comprising (2S,3S,4R)-2-aminononane-1,3,4-triol having an alpha-D-galctopyranosyl residue at the O-1 position and an tetracosanoyl group attached to the nitrogen. It has a role as an epitope. It is functionally related to an alpha-D-galactose."}, {"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][=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][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][C][C][C][C][O][O]"}]