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 a member of the cftr modulator class and affects cystic fibrosis treatment. Use the above information to create a molecule.
user
NC(=O)c1cc(S(=O)(=O)N2CC(F)C2)sc1NC(=O)c1ccccc1F
assistant