[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C@][Branch1][=Branch1][O][C][Ring1][Branch1][=O][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (R)-enantiomer of 2-(carboxymethyl)-5-oxo-2,5-dihydro-2-furoic acid. It is a conjugate acid of a (R)-2-(carboxylatomethyl)-5-oxo-2,5-dihydro-2-furoate."}]