[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a glycol in which the two hydroxy groups are at positions 2 and 4 of 2-methylpentane (isopentane)."}, {"from": "gpt", "value": "[C][C][Branch1][#Branch2][C][C][Branch1][C][C][Branch1][C][C][O][O]"}]