CCC(C)C(NC(=O)C(CC(C)C)NC(=O)CNC(=O)C(NC(=O)C1CCCN1C(=O)C(CC(C)C)NC(=O)C(N)Cc1ccccc1)C(C)CC)C(=O)NC(CC(C)C)C(N)=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?