[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=C][Branch2][Ring1][#Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][Branch1][O][C][NH2+1][C][Branch1][C][C][Branch1][C][C][C][O][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C].[C][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the methanesulfonate salt of bitolterol. A beta2-adrenergic receptor agonist, it is used for relief of bronchospasm in conditions such as asthma, chronic bronchitis and emphysema. It has a role as a bronchodilator agent, an anti-asthmatic drug and a beta-adrenergic agonist. It is a methanesulfonate salt, a carboxylic ester, a diester and a secondary alcohol. It contains a bitolterol."}]