[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch2][Branch1][P][C@@H1][C@@H1][Branch2][Branch1][O][C@@H1][Branch2][Ring1][P][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][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][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 that is beta-D-galactopyranose in which the hydroxy groups at positions 2 and 3 have each been converted into the corresponding alpha-D-glucopyranosyl derivative. It is functionally related to an alpha-D-Glcp-(1->2)-beta-D-Galp and an alpha-D-Glcp-(1->3)-beta-D-Galp."}]