[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][C][C][C][Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a branched C4 short-chain fatty acid carrying two methyl substituents at positions 2 and 3. The methyl group at the 2-position confers chirality, hence the compound has two possible enantiomers."}]