You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the orexin receptor antagonist class of molecules.
user
Cc1nc(C(=O)N2CC(F)CC2c2nc3c(C)cccc3[nH]2)c(-c2ccccc2)s1
assistant