[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@H1][C][C][C@H1][C@][Ring1][Branch1][C][C][C][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=C][C][Ring1][=Branch2][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic hydrocarbon and sesquiterpene that is octahydro-1H-3a,6-methanoazulene which is substituted by a methylidene group at position 7 and by methyl groups at positions 3, 8, and 8. It is a sesquiterpene and a tricyclic hydrocarbon."}]