[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch1][#C][C][C][N][Ring1][Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][C][=Branch1][N][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][N][C][Cl]"}, {"from": "gpt", "value": "The molecule is an optically active form of nemonapride having (2S,3S)-configuration. It is an enantiomer of a (2R,3R)-nemonapride."}]