You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a chemokine receptor modulator member of the ccr2 antagonist class. Please represent the molecule in SMILES.
user
COC1COCCC1NC1CCN(C(=O)c2ncnc(N3CCN(c4cc(Cl)cc(Cl)c4)CC3)c2C)CC1
assistant