[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][C][C][C@@][Branch2][Ring1][C][C@][Ring1][Branch1][C][C][C][C@][Ring1][Branch1][Branch1][=Branch1][C][=C][Ring1][Branch2][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic sesquiterpene that is 1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene bearing four methyl substituents at positions 1, 3a, 4 and 5a. It has a role as a volatile oil component and a plant metabolite. It is a sesquiterpene and a carbotricyclic compound."}]