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 cftr modulator and cystic fibrosis treatment. Please represent the molecule in SMILES.
user
Cc1cccc(C=CC(C)C)c1-c1nc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)nc(Cl)c1C
assistant