You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the ccr2 antagonist class of molecules.
user
CC(=O)OCC(C1CCN(C(=O)C=Cc2cc(F)c(F)c(F)c2)CC1)N1CCC(c2c[nH]c3ccccc23)CC1
assistant