[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][Ring1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a propane-1,2-diol. It has a role as a human metabolite and an Escherichia coli metabolite. It is an enantiomer of a (R)-propane-1,2-diol."}]