COc1ccc2[nH]c3c(C)c4ccnc(NCCCN(C)CCCNC(=O)NCCCN(C)CCCNc5nccc6c(C)c7[nH]c8ccc(OC)cc8c7c(C)c56)c4c(C)c3c2c1.O=C(O)C(F)(F)F
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?