COc1ccc(COC(=O)N/N=C2/C[C@@H](O)[C@@H](O)[C@@H]3[C@@H]4C(=O)N([C@@H](C)c5ccccc5)C(=O)[C@H]4CC[C@@H]23)cc1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?