You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a orexin receptor antagonist and belongs to the modulate class of molecules. Please represent the molecule in SMILES.
user
CC1CCCN(C(=O)c2cccc(F)c2-n2nccn2)C1CNc1nc2ccc(F)cc2o1
assistant