COc1ccccc1CNC(=O)c1ccc2c(c1)N(Cc1cccc(C)c1)C(=O)c1ccccc1S2(=O)=O
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?