[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][S][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion obtained by deprotonation of the carboxy and sulfino groups of 3-sulfinylpyruvic acid. Major microspecies at pH 7.3. It is an organosulfinate oxoanion and a 2-oxo monocarboxylic acid anion. It is a conjugate base of a 3-sulfinylpyruvic acid."}]