COC(=O)C(Cc1ccccc1)/N=C/c1c(O)c(O)c(C(C)C)c2cc(C)c(-c3c(C)cc4c(C(C)C)c(O)c(O)c(/C=N/C(Cc5ccccc5)C(=O)OC)c4c3O)c(O)c12
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?