[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C][C][C@@H1][C@@H1][Branch1][Branch2][C][Ring1][Ring1][Branch1][C][C][C][C][=C][Branch1][Branch2][C][C][C@H1][Ring1][=N][Ring1][Branch1][C]"}, {"from": "gpt", "value": "The molecule is a carbotricyclic compound and sesquiterpene that is 1a,2,3,4,4a,5,6,7b-octahydro-1H-cyclopropa[e]azulene which is substituted by methyl groups at positions 1, 1, 4 and 7 (the 1aR,4R,4aR,7bS- diastereoisomer). It has been isolated from several plant species such as Anaphalis nubigena and Jatropha ribifolia. It has a role as a volatile oil component, a plant metabolite and an antibacterial agent. It is a carbotricyclic compound and a sesquiterpene. It is an enantiomer of a (+)-alpha-gurjunene."}]