You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the mch antagonist class of molecules. Use the above information to create a molecule.
user
CN(C(=O)c1ccc(-c2ccc(F)cc2)cc1)C1CCc2cc(C(=O)N3CCC4(CCNC4)CC3)ccc2C1
assistant