C=CC[C@@H](CC(=O)OC(C)(C)C)C(=O)OC[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CC=C)CC(=O)N(CCO)Cc1ccccc1
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?