[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a 3-hydroxymonocarboxylic acid that is the 3-hydroxy derivative of 3-butenoic acid. It is a 3-hydroxymonocarboxylic acid and an enol. It is a tautomer of an acetoacetic acid."}]