C=CCN1CC[C@]23c4c5ccc(O)c4O[C@@H]2/C(=N/N=C2\CC[C@@]4(O)C6Cc7ccc(O)c8c7[C@@]4(CCN6CC=C)[C@@H]2O8)CC[C@@]3(O)C1C5
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?