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: The molecule is a ccr2 antagonist.
user
Cc1c(Nc2ccc(Cl)c(Cl)c2)nc(C2CC2)nc1C(=O)N1CCC(NC2CCOCC2F)CC1
assistant