CCOC(=O)NC(=O)c1cn(CCN2CCN(C(=O)CCCCCCCCCCC(=O)N3CCN(CCn4cc(C(=O)NC(=O)OCC)c(=O)[nH]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?