You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a potassium channel inhibitor and is arrhythmia treatment.
user
CC(=O)Nc1ccccc1CNc1nc(-c2cncc(S(N)(=O)=O)c2)nn2ccc(-c3ccccc3)c12
assistant