CCOC(=O)NC(=O)c1cn(-c2ccc(CCOC(=O)NCCCCCCNC(=O)OCCc3ccc(-n4c(=O)[nH]cc(C(=O)NC(=O)OCC)c4=O)cc3)cc2)c(=O)[nH]c1=O
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?