CN1C2(c3ccccc3)c3c(-c4ccccc4)sc(-c4ccccc4)c3C1(c1ccccc1)C1C(=O)N(c3ccccc3)C(=O)C12
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?