You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a orexin receptor antagonist.
user
Cc1nc(C(=O)N(CCC2=CN=C3CC=C(F)C=C23)CC2CC2)c(-c2cccc(Cl)c2)s1
assistant