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: The molecule is a ccr2 antagonist and a ccr5 antagonist, belonging to the ccr3 antagonist class of molecules.
user
O=C(C=Cc1ccc(Cl)c(Cl)c1)N1CCN(CCCN2CCCCC2)C(=O)C1
assistant