Cc1nc2ccc(S(=O)(=O)O)cc2c(=O)n1-c1ccc(C(=O)NN2C(=O)C(Cl)C2c2cccs2)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?