[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][C][C@H1][Branch1][Branch1][C][C][Ring1][=Branch1][C][=C][C][C][C][Branch1][Ring2][C][Ring1][=Branch1][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene that is 1,1'-bi(cyclohexane)-1,3'-diene substituted at positions 4', 5, and 5 by methyl groups (the S- enantiomer). It is a cyclic hydrocarbon and a sesquiterpene."}]