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 a abc transporter modulator and belongs to the cftr modulator class of molecules.
user
CC(=O)N1CCC2(CCN(C(=O)OC(C)(C)C)CC2)C2=CC=C(C)CC21C
assistant