[{"from": "human", "value": "Describe this molecule. [C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the conjugate base of glyoxylic acid. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a glyoxylic acid."}]