[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][C][C@@H1][Branch1][S][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a short-acting \u03b22 adrenergic receptor agonist used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).  [Salbutamol] has been marketed as a racemic mixture, although beta2-agonist activity resides almost exclusively in the (R)-enantiomer. The enantioselective disposition of salbutamol and the possibility that (S)-salbutamol has adverse effects have led to the development of an enantiomerically pure (R)-salbutamol formulation known as levosalbutamol (levalbuterol)."}]