[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][C][C@][Branch1][P][C@@H1][Ring1][=Branch1][C][C@@H1][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=C][C][C]"}, {"from": "gpt", "value": "The molecule is an isomer of selinene where the double bond in the octahydronaphthalene ring system is endocyclic with (2R,4aR,8aS)-configuration. It has been isolated from termites. It has a role as an animal metabolite. It is a selinene and a member of octahydronaphthalenes."}]