[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=C][C][=C]"}, {"from": "gpt", "value": "The molecule is a hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. It has a role as a plant metabolite. It is an alkadiene, a hemiterpene and a volatile organic compound."}]