CCC(C)C1NC(=O)C2CCCN2C(=O)CNC(=O)C(C)NC(=O)C(Cc2ccccc2)NC(=O)C(C(C)C)NC1=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?