[{"from": "human", "value": "Describe this molecule. [C][C][/C][=C][/C][O]"}, {"from": "gpt", "value": "The molecule is a primary allylic alcohol that is 2-pentene in which a hydrogen at position 1 has been replaced by a hydroxy group. It has a role as a plant metabolite and a volatile oil component. It is a primary allylic alcohol and an alkenyl alcohol."}]