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
COc1cc(C(=O)N2CCC2c2nc(-c3cccc(Cl)c3C)no2)c(-n2nccn2)cc1C
assistant