[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][C][=Branch1][=C][=C][C][=Branch1][=Branch2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][=C][=O][C][=Branch1][#Branch2][=C][C][=Branch1][Branch1][=C][Ring1][Branch2][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid that is the conjugate base of kermesic acid, obtained from the deprotonation of the carboxy group. Major species at pH 7.3. It is a conjugate base of a kermesic acid."}]