You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the orexin receptor antagonist class of molecules.
user
Cc1ccc(-n2nccn2)c(C(=O)N2CCCC2c2nc(-c3ccccc3)co2)c1
assistant