You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a potassium channel modulator.
user
O=C(CCc1cccc(F)c1)Nn1c(C2CC2)nc2cc(F)ccc2c1=O
assistant