[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a flavonoid oxoanion that is the conjugate base of (+)-taxifolin, arising from selective deprotonation of the 7-hydroxy group; major species at pH 7.3. It is a conjugate base of a (+)-taxifolin."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring2][Branch1][=C][Branch2][Ring1][S][C][=C][Ring1][=Branch1][C@@H1][C@H1][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][Branch1][=N][C][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][O][Ring1][O][O][O-1][O][O][O]"}]