[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is the (R)-enantiomer of ethotoin. It is an enantiomer of a (S)-ethotoin."}, {"from": "gpt", "value": "[C][C][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]