You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the ccr1 antagonist class of molecules.
user
CN(Cc1ccc(Cl)cc1)C(=O)C1CCCN1C(=O)NC1(c2ccccc2F)CC1
assistant