CC[C@@H](C)C(NC(=O)OC(C)(C)C)c1cn([C@@H](CCC(=O)OC(C)(C)C)C(=O)N2CCN(C(=O)OC(C)(C)C)CC2)nn1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?