[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][Branch1][Ring1][C][=O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is the 4-dehydro derivative of (R)-pantoic acid. It is a 2-hydroxy monocarboxylic acid and an aldehyde. It is functionally related to a (R)-pantoic acid. It is a conjugate acid of a (R)-4-dehydropantoate."}]