[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an amino disaccharide comprised of N-acetyl-beta-D-glucosamine linked (1->3) to D-mannose. It has a role as an epitope. It is an amino disaccharide and a glucosamine oligosaccharide."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring2][Ring2][C@@H1][Branch2][Ring1][#C][C@H1][Branch2][Ring1][=Branch2][O][C@H1][Ring1][=Branch1][O][C@H1][C@@H1][Branch1][#C][C@H1][Branch1][#Branch2][O][C][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][C][O][O][C][O][O][O]"}]