[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][Branch1][Ring1][C][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxo monocarboxylic acid that is 2-oxobutanoic acid in which both of the hydrogens at position 3 are substituted by methyl groups and one of the hydrogens at position 4 is substituted by a hydroxy group. It is an oxo monocarboxylic acid and a hydroxy monocarboxylic acid. It is functionally related to a pantoic acid. It is a conjugate acid of a 2-dehydropantoate."}]