[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a D-fucopyranose having alpha-configuration at its anomeric centre. It has a role as an allergen. It is an enantiomer of an alpha-L-fucose."}]