[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the diphosphate OH groups of UDP-2-acetamido-4-dehydro-2,6-dideoxy-beta-D-glucose; major species at pH 7.3. It is a conjugate base of an UDP-2-acetamido-4-dehydro-2,6-dideoxy-beta-D-glucose."}, {"from": "gpt", "value": "[C][C@@H1][C][=Branch1][C][=O][C@@H1][Branch2][Branch1][S][C@H1][Branch2][Branch1][=Branch1][C@@H1][Branch1][Ring2][O][Ring1][#Branch1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][O][O][N][C][=Branch1][C][=O][C][O]"}]