[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Branch1][#Branch2][C@H1][Branch2][Branch1][Branch1][C@@H1][Branch2][Ring2][S][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@@H1][Ring1][=Branch1][O][C][O][O][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][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched trisaccharide that is alpha-D-galactopyranose in which the hydroxy groups at positions 2 and 3 have been converted to the corresponding alpha-L-fucopyranosyl and alpha-D-galactopyranosyl derivatives, respectively. It is functionally related to an alpha-(1->3)-galactobiose and an alpha-L-fucose."}]