[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a flavonoid oxoanion that is the conjugate base of fisetin. It is a conjugate base of a fisetin."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring2][Ring2][=C][Branch2][Ring1][#C][C][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][Branch1][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][#Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][#Branch1][O][O-1][O][O]"}]