You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a orexin receptor antagonist and is modulate.
user
Cc1cccc(C(=O)N2CCCC(C)C2CNc2ncc(C(F)(F)F)cn2)c1-c1ncccn1
assistant