C/C(=C1/N=C(c2cc([N+](=O)[O-])ccc2Cl)N(c2ccc(Br)cc2)C1=O)c1ccc(N(CCC#N)CCC#N)cc1C
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?