[{"from": "human", "value": "Describe this molecule. [C][C][=Branch2][Branch1][=Branch1][=C][C][C][=C][Branch2][Ring2][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=C][/C][=Branch2][Ring1][#C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][\\-Ring1][=Branch1][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=C][Branch1][C][C][C][O-1][O][C]"}, {"from": "gpt", "value": "The molecule is conjugate base of aspulvinone H arising from selective deprotonation of the butenolide OH group; major species at pH 7.3. It is a conjugate base of an aspulvinone H."}]