[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=C][C][C][C][C][Branch1][=C][C][C][C][C][=Branch1][C][=C][C][Ring1][#Branch1][C][Ring1][O][C]"}, {"from": "gpt", "value": "The molecule is a selinene that is decahydronaphthalene substituted by a isopropenyl group at position 7, a methyl group at position 4a and a methylidene group at position 1. It has a role as a plant metabolite."}]