[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a glycol that is octadecane bearing two hydroxy substituents located at positions 1 and 2. It is functionally related to an octadecane."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Branch1][Ring1][C][O][O]"}]