[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a D-mannopyranose in which the anomeric centre has beta-configuration. It has a role as an epitope. It is an enantiomer of a beta-L-mannose."}, {"from": "gpt", "value": "[C][Branch2][Ring1][Branch1][C@@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O][O]"}]