CCOC(=O)c1c(-c2ccc(C)cc2)csc1NC(=O)CCN1CC(C)OC(C)C1.O=C(O)C(=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?