O=C(Nc1ncnc2c1ncn2[C@@H]1O[C@H](/C=C/C(=O)N2CCN(c3ccc(F)cc3)CC2)[C@@H](O)[C@H]1O)c1ccccc1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?