[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][C][#C][C][N][C][C][C][C][Ring1][Branch1][=O]"}, {"from": "gpt", "value": "The molecule is a quaternary ammonium ion. It has a role as a muscarinic agonist."}]