CC1=NN(C(=O)CC(=O)Nc2ccc(Cl)cc2)C(=O)C1/N=N\c1ccc(S(=O)(=O)c2ccc(/N=N/C3C(=O)N(C(=O)CC(=O)Nc4ccc(Cl)cc4)N=C3C)cc2)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?