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 modulate and belongs to the cystic fibrosis treatment class of molecules, with the characteristic of being cftr modulator. Please represent the molecule in SMILES.
user
CN(C(=O)c1cccc(-n2cccn2)c1)c1ccc2c(c1)OCCO2
assistant