O=C(Cn1c(=O)n(CCCS(=O)(=O)C2CCCCC2)c(=O)c2ccccc21)Nc1ccc(F)c(Cl)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?