[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@@H1][Branch2][=Branch1][Ring2][C@H1][Branch2][Branch1][#C][C@H1][Branch2][Branch1][#Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][=N][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][C@H1][C@@H1][Branch2][Ring1][=Branch2][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][P][=Branch1][C][=O][Branch1][C][O][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an oligosaccharide phosphate consisting of beta-D-galactose having 3-O-phosphono-beta-D-glucosyl and alpha-L-rhamnosyl residues attached at positions 4 and 2 respectively. It is an oligosaccharide phosphate and a trisaccharide derivative."}]