[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][C][C@@H1][Branch2][Ring1][C][C][O][C][=N][S][N][=C][Ring1][Branch1][N][C][C][O][C][C][Ring1][=Branch1][O].[C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the maleic acid salt of the active (S)-enantiomer of timolol, comprising equimolar amounts of (S)-timolol and maleic acid. It has a role as an antihypertensive agent, an anti-arrhythmia drug, a beta-adrenergic antagonist and an antiglaucoma drug. It contains a (S)-timolol (anhydrous)."}]