CC[C@H](C)[C@H](NC(=O)N(CCC#N)CCN(CCN(C(=O)N[C@@H](Cc1ccccc1)C(=O)OC)c1ccccc1)C(=O)N[C@H](C(=O)OC)C(C)C)C(=O)OC
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?