You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the orexin receptor antagonist class of molecules.
user
O=C(NC1CCCC1Nc1ncc(C(F)(F)F)cc1Br)c1ccccc1-n1nccn1
assistant