You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It belongs to the cftr modulator class of molecules.
user
CC(C)(C)OC(=O)N1Cc2[nH]nc(NC(=O)c3nc(Br)c(C(F)(F)F)nc3N)c2C1
assistant