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(c1ccccc1-n1nccn1)N1CCC(F)(F)C(Oc2nc3c(c(C(F)(F)F)n2)CCCC3)C1
assistant