Cc1cccc(NC(=S)N(Cc2c(C)nn(C)c2C)C2CC(=O)N(c3cccc(C)c3)C2=O)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?