[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an N-acetylmannosamine having pyranose form and alpha-D-configuration."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@H1][C@H1][Branch1][#C][C@@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@@H1][Ring1][=Branch1][O][C][O][O][O]"}]