You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It belongs to the mch antagonist class of molecules.
user
Clc1ccc(-c2ccc(C#Cc3ccc4nc(N5CCCC5)[nH]c4c3)nc2)cc1
assistant