Cc1ccc(C)c(N2CCN(C(=O)CCS(=O)(=O)c3cc(Br)cc4c3N(C(=O)C3CC3)CC4)CC2)c1
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?