CC1=C(C(=O)Nc2cc(=O)n(C)c(=O)n2C)C(c2ccc([N+](=O)[O-])cc2)C(C(=O)Nc2cc(=O)n(C)c(=O)n2C)=C(C)N1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?