CCN(CC)C(=O)CSc1nc2cc3c(cc2c(=O)n1CCCCCC(=O)NCCc1ccc(OC)c(OC)c1)OCO3
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?