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: It belongs to the ccr2 antagonist class of molecules. Please represent the molecule in SMILES.
user
Cc1ccc(C(=O)N2CCN(C(=O)CN3CCCC3NC(=O)CNC(=O)c3cccc(C(F)(F)F)c3)CC2)cc1
assistant