[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is tricarboxylate anion of but-1-ene-1,2,4-tricarboxylic acid; major species at pH 7.3. It has a role as a Saccharomyces cerevisiae metabolite. It is a conjugate base of a but-1-ene-1,2,4-tricarboxylic acid."}]