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 cftr modulator member of the cystic fibrosis treatment class.
user
Cc1ccc(F)c2[nH]c3c(c12)CN(C(=O)c1ccncc1Br)CC3
assistant