[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a primary alcohol having the structure of isopentyl alcohol but with a double bond between C-3 and one of the C-4 atoms. It has a role as a metabolite. It is a primary alcohol and a homoallylic alcohol."}]