You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the mch receptor antagonist class of molecules.
user
Cc1c(NC(=O)c2ccc(OCCC3CC3)cc2F)ccc2cc(CNC3CCS(=O)(=O)CC3)cnc12
assistant