O=C1CN2CCN(CC2)CC(=O)Nc2ccc(cc2)S(=O)(=O)c2ccc(cc2)NC(=O)CN2CCN(CC2)CC(=O)Nc2ccc(cc2)S(=O)(=O)c2ccc(cc2)N1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?