O=C(N[C@H]1C/C=C\C[C@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)N[C@H](Cc2c[nH]c3ccccc23)COC1=O)OCC1c2ccccc2-c2ccccc21
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?