[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][Br]"}, {"from": "gpt", "value": "The molecule is an alkyl bromide. It is primarily used as a starting material/chemical intermediate in organic synthesis and as an intermediate in the manufacture of polymers/resins, synthetic perfumes, pharmaceuticals, agricultural chemicals, and other allyl compounds. It has been described as an insecticidal fumigant used in crop protection. Physically, allyl bromide is a clear liquid with an intense, acrid, and persistent smell. It is highly flammable."}]