[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the free diphosphate OH groups of CDP-D-ribulose. Major microspecies at pH 7.3. It is a conjugate base of a CDP-D-ribulose."}, {"from": "gpt", "value": "[C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][=C][Ring1][#Branch1][N][C@H1][C@@H1][Branch2][Ring2][=N][C@@H1][Branch2][Ring2][Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@H1][Branch1][O][C@H1][Branch1][#Branch1][C][=Branch1][C][=O][C][O][O][O][O][O]"}]