O=C(Nc1ccc(C(=O)N2CCC(O)(c3ccc(Cl)c(C(F)(F)F)c3)CC2)cc1)c1ccc(Br)o1
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?