[{"from": "human", "value": "Describe this molecule. [C][C][=Branch2][Ring1][#Branch1][=C][C][C][C@@][Branch1][S][C][C][C@H1][C][Ring1][Branch1][Branch1][#Branch1][C@H1][Ring1][Ring1][C][Ring1][=Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene consisting of a tricyclo[2.2.1.0(2,6)]heptane skeleton substituted by methyl groups at positions 1 and 7 and by a 4-methylpent-3-en-1-yl group at position 7 (the 1S,2R,4S,6R,7R diastereoisomer). It is a sesquiterpene and a bridged compound."}]