C[N+](C)(C)CC(=O)N/N=C/c1oc(-c2cccc([N+](=O)[O-])c2)c(-c2cccc([N+](=O)[O-])c2)c1[N+](=O)[O-].[Cl-]
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?