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 based on this description: The molecule is a cftr modulator and belongs to the cystic fibrosis treatment class of molecules.
user
C=C(NC(C)Br)N1CC(CCCNc2cccc(S(N)(=O)=O)n2)CC1(C)C
assistant