[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is conjugate base of biochanin A arising from selective deprotonation of the 7-hydroxy group; major species at pH 7.3. It is a conjugate base of a biochanin A."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][O][C][=C][C][=Branch1][=N][=C][C][=Branch1][Branch2][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O][O-1][O]"}]