[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the (4S)-enantiomer of amlodipine. It is an enantiomer of a (R)-amlodipine."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][=C][Branch2][Ring1][N][N][C][=Branch2][Ring1][=Branch1][=C][Branch1][=N][C@@H1][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl][C][=Branch1][C][=O][O][C][C][C][O][C][C][N]"}]