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