You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a ccr2 antagonist.
user
O=C(CNC(=O)c1cccc(C(F)(F)F)c1)NC1CCCN1CCN1CCN(C(=O)Nc2ccccc2)CC1
assistant