Cc1cc(C)c(NC(=O)Cn2c(=O)n(Cc3ccc(C(=O)NCc4ccco4)cc3)c(=O)c3sccc32)c(C)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?