You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the orexin receptor antagonist class of molecules.
user
CCOc1ccc(C)nc1C(=O)N1C2CC(C2)C(C)C1CNC(=O)OC(C)(C)C
assistant