You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is both a ccr2 antagonist and a chemokine receptor modulator.
user
COC1COCCC1NC1CCN(C(=O)c2ncnc(N3CCC4(CC3)OCc3ccccc34)c2C)CC1
assistant