[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][#C][C@@H1][Branch2][=Branch1][#Branch2][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][C@@][Branch2][Branch1][#Branch1][C][C@H1][Branch2][Ring2][P][C@H1][Branch2][Ring2][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch2][Ring1][P][C][O][C@@][Branch2][Ring1][=Branch1][C][C@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][C][=Branch1][C][=O][O][O][O][O][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a trisaccharide consisting of two 3-deoxy-D-manno-oct-2-ulose residues and a single N-acetylglucosamine residue in a linear sequence, joined via alpha-linkages. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide."}]