[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N+1][Branch2][Ring2][#Branch2][C@@H1][C][C][Branch1][N][C][C@H1][Ring1][=Branch1][C@H1][C@@H1][Ring1][#Branch1][O][Ring1][Ring1][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]"}, {"from": "gpt", "value": "The molecule is an Anticholinergic. The mechanism of action of tiotropium is as a Cholinergic Antagonist."}]