You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is both a potassium channel inhibitor and a arrhythmia treatment. Use the above information to create a molecule.
user
CSc1nc(NCc2ccccc2)c2c(-c3ccccc3)cccc2c1-c1cncc(C(=O)O)c1
assistant