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
COc1ccc(C2CCN(CC3CCC(NC(=O)c4cc5cc(Br)ccc5[nH]4)C3)CC2)cc1
assistant