CC#CCN1c2ccccc2[C@]23C[C@@H](C(=O)OC)N(C(=O)c4ccc(Br)cc4)C2=NC(C(=O)OC)=C(C(=O)OC)[C@H]13
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?