You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the orexin receptor antagonist class of molecules.
user
Cc1nc(-c2cccc(Cl)c2)c(C(=O)N2CCSC2CNC(=O)c2cnc3ccccn23)s1
assistant