You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a abc transporter modulator.
user
Cc1cccc(C(=O)N2CCN(C(C)c3nc4ccc(Cl)cc4c(=O)n3C)CC2)c1
assistant