[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a terminal acetylenic compound that is but-1-yne with one of the methyl hydrogens substituted by a hydroxy group. It is a terminal acetylenic compound and a member of butyn-1-ols."}, {"from": "gpt", "value": "[C][#C][C][C][O]"}]