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: The molecule is osteoporosis treatment.
user
Cc1nc(-c2ccc(Nc3nc(N4CCC(O)CC4)ccc3[N+](=O)[O-])cc2)cs1
assistant