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: The molecule is a orexin receptor antagonist.
user
Cc1nc(C(=O)N2CCC2CNC(=O)c2c(C)nc3sccn23)c(-c2cc(F)cc(F)c2)s1
assistant