[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][N][C][C@@H1][Branch2][Ring1][Ring1][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][N][O]"}, {"from": "gpt", "value": "The molecule is the (S)-enantiomer of atenolol. It has a role as a beta-adrenergic antagonist."}]