CCCCCCn1c(=O)n2n(c1=O)C[C@@]1(O)CN(S(=O)(=O)c3ccc(C)cc3)C[C@@]1(OC(=O)NCc1ccccc1F)C2
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?