You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the orexin type 2 receptor agonist class of molecules.
user
COC1CN(C(=O)OC(C)(C)C)CC1Oc1cccc([N+](=O)[O-])c1
assistant