[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a dihydrocarvone compound having the exocyclic isopropenyl double bond reduced and (R)-configuration. It has a role as an allergen."}, {"from": "gpt", "value": "[C][C][=C][C][C@H1][Branch1][=Branch1][C][C][Ring1][=Branch1][=O][C][Branch1][C][C][C]"}]