You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is cftr modulator.
user
CCOC(=O)c1cc(S(=O)(=O)NCCNC(=O)c2cc(-c3ccccc3)on2)[nH]n1
assistant