O=C(O)C1CCN(C(=O)c2ccccc2N2C(=O)[C@@H]3Cc4c([nH]c5ccccc45)C(c4cccc(Cl)c4)N3C2=O)CC1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?