You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a orexin receptor antagonist.
user
COc1ccc(S(=O)(=O)N(CC(N)=O)c2c(C)cccc2Cc2c(F)cccc2F)cc1OC
assistant