You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a orexin receptor antagonist. Please write the SMILES representation of it.
user
O=C(c1nccnc1-c1ccc(F)cc1)N(CCc1c[nH]c2ccc(F)cc12)CC1CC1
assistant