[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a carbotricyclic sesquiterpene obtained from several natural sources, including Australian Tea Tree oil (Melaleuca alternifolia.) It is a sesquiterpene and a carbotricyclic compound."}, {"from": "gpt", "value": "[C][C@@H1][C][C][C][=C][Branch2][Ring1][Ring1][C][C][C@@H1][C@H1][Branch1][=Branch1][C@H1][Ring1][#Branch2][Ring1][#Branch1][C][Ring1][Ring2][Branch1][C][C][C][C]"}]