[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a thujene that has a bicyclo[3.1.0]hex-2-ene skeleton which is substituted at positions 1 and 4 by isopropyl and methyl groups, respectively. It has a role as a plant metabolite. It is a thujene and a polycyclic olefin."}, {"from": "gpt", "value": "[C][C][C][=C][C][Branch1][#Branch1][C][Ring1][Branch1][C][Ring1][Ring1][C][Branch1][C][C][C]"}]