[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][O]"}, {"from": "gpt", "value": "The molecule is a propenol in which the C=C bond connects C-2 and C-3. It is has been found in garlic (Allium sativum). Formerly used as a herbicide for the control of various grass and weed seeds. It has a role as an insecticide, a herbicide, an antibacterial agent, a fungicide and a plant metabolite. It is a primary allylic alcohol and a propenol."}]