[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][Branch1][Branch1][C][O][Ring1][Ring1][C][=C]"}, {"from": "gpt", "value": "The molecule is an epoxide carrying methyl and vinyl substituents at position 2 (the R-enantiomer). It is an epoxide and an olefinic compound."}]