[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][#Branch2][C][C][Branch1][C][C][Branch1][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a glycol that is the (S)-enantiomer of 2-methylpentane-2,4-diol. It has a role as an epitope."}]