[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=C][C@@H1][C][C][C][Branch1][#Branch2][C][Branch1][Ring2][C][Ring1][=Branch1][O][Ring1][Ring2][C]"}, {"from": "gpt", "value": "The molecule is the (R)-enantiomer of limonene 1,2-epoxide. It derives from a hydride of a (4R)-limonene."}]