You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a cystic fibrosis treatment and belongs to the cftr modulator class of molecules. Please represent the molecule in SMILES.
user
Cc1cccc(C)c1-c1cc2nc(n1)NSc1cccc(c1)C(=O)N(Cc1nc(Cl)ccc1F)C(CC(C)(C)C)CO2
assistant