[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an optically active form of lactic acid having (S)-configuration. It has a role as an Escherichia coli metabolite and a human metabolite. It is a 2-hydroxypropanoic acid and a (2S)-2-hydroxy monocarboxylic acid. It is a conjugate acid of a (S)-lactate. It is an enantiomer of a (R)-lactic acid."}]