CCOC(=O)N1CCc2c(sc3c2c(=O)n(CCc2ccccc2)c(=O)n3CC(=O)Nc2ccc(C)cc2)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?