[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the (R)-enantiomer of gabaculine. It is an enantiomer of a (S)-gabaculine."}, {"from": "gpt", "value": "[C][C@H1][Branch1][N][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][N]"}]