[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][/C][=C][/O]"}, {"from": "gpt", "value": "The molecule is an enol that is 3-methylbut-1-ene in which one of the terminal hydrogens is replaced by a hydroxy group. It derives from a hydride of an isopentane."}]