CN(C)CCNc1ccc(C(=O)NCCCN(C)CCCNC(=O)c2ccc(NCCN(C)C)c3c(=O)c4ccccc4[nH]c23)c2[nH]c3ccccc3c(=O)c12.Cl
Drug-like molecules usually have no more than 5 Hydrogen bond donor. How many hydrogen bond donor does the molecule have?