CC(=O)OC[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC[C@@H]2C[C@H]([C@H]1OC(C)=O)N(Cc1ccccc1)O2
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?