You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a cftr modulator and belongs to the cystic fibrosis treatment class of molecules. Please write the SMILES representation of it.
user
CCOC(=O)c1cc(OCC2CCOCC2)c(C(=N)C2CCC2)c(N)n1
assistant