Cc1cc2c(cc1C)N(C(=O)CN1C(=O)c3ccccc3C1=O)C(C)(C)c1ssc(=S)c1-2
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?