O=C1c2ccccc2C(=O)c2c(Nc3cc4c5c(ccc6c7ccc8c9c(cc(Nc%10cccc%11c%10C(=O)c%10ccccc%10C%11=O)c(c3c56)c97)-c3ccccc3C8=O)C(=O)c3ccccc3-4)cccc21
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?