COc1ccc(C[C@H]2CN3C(=NC[C@@H]3C(C)C)N2CCNC(=O)c2ccc(C)c(Br)c2)cc1
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?