[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch1][S][C@H1][Branch1][N][C@@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O][C@H1][C@@H1][Branch2][Ring2][#Branch1][C@H1][Branch2][Ring2][C][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][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]"}, {"from": "gpt", "value": "The molecule is a trisaccharide consisting of alpha-D-galactopyranose, beta-D-galactopyranose and L-fucopyranose residues joined in sequence by (1->4) glycosidic bonds. It is functionally related to an alpha-D-Galp-(1->4)-beta-D-Galp and a L-fucopyranose."}]