[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Branch1][#Branch2][C@@H1][C@H1][Branch2][Branch1][Ring2][C@@H1][Branch2][Ring2][#C][C@@H1][Branch2][Ring2][#Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][C][C@@H1][C@H1][Branch2][Ring1][N][C@@H1][Branch2][Ring1][#Branch1][C][Branch1][Ring2][O][Ring1][Branch1][O][C@H1][C@@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C][Ring1][Branch1][O][C][O][O][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a trisaccharide consisting of a D-mannopyranose residue and two D-arabinofuranose residues joined in sequence by (1->5) and (1->2) glycosidic bonds. The stereochemistry of the anomeric centres of the three residues is not stated. It is a partially-defined glycan and a trisaccharide."}]