C[C@H]1CCCCO[C@H](CN(C)C(=O)CCCN(C)C)[C@H](C)CN([C@@H](C)CO)C(=O)c2cc(NC(=O)C3CCCCC3)ccc2O1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?