CC[C@]12C=CCN3CC[C@@]4(c5cc(Br)c(OC)cc5N(C)[C@H]4[C@@](O)(C(=O)NN)[C@@H]1O)[C@@H]32
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?