[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C@H1][Branch2][=Branch1][Branch1][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][N]"}, {"from": "gpt", "value": "The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the diphosphate OH groups of UDP-4-amino-4,6-dideoxy-N-acetyl-alpha-D-glucosamine. It is a conjugate base of an UDP-2-acetamido-4-azaniumyl-2,4,6-trideoxy-alpha-D-glucose(1-)."}]