[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the (R)-enantiomer of ethosuximide. It is an enantiomer of a (S)-ethosuximide."}, {"from": "gpt", "value": "[C][C][C@@][Branch1][O][C][C][=Branch1][C][=O][N][C][Ring1][=Branch1][=O][C]"}]