CCOC(=O)NC(=O)c1cn(CCCCCCCCCCC(=O)N2CCN(CCn3cc(C(=O)NC(=O)OCC)c(=O)[nH]c3=O)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?