CC[C@]1(Cc2ccc(OC)c(OC)c2)C=[N+]([O-])O[C@H](OC2CCCC2(c2ccccc2)c2ccccc2)[C@@H]1OC(C)=O
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?