[{"from": "human", "value": "Please give me some details about this molecule. [C][C][N+1][Branch2][Ring2][Branch1][C][C][C][Ring1][=Branch1][C@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][O][C][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1].[Br-1]"}, {"from": "gpt", "value": "The molecule is a quaternary ammonium salt that is the bromide salt of aclidinium. A muscarinic acetylcholine M3 receptor antagonist, for the long-term maintenance treatment of bronchospasm associated with chronic obstructive pulmonary disease (COPD). It has a role as a muscarinic antagonist and a bronchodilator agent. It is a quaternary ammonium salt and an organic bromide salt. It contains an aclidinium."}]