Cc1ccc(CNC(=O)c2ccc(N3CCC4(CC3)CC(c3cccc(Br)c3)=NO4)c([N+](=O)[O-])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?