CC(C)CC(NC(=O)C1CCCN1C(=O)[C@@H](C)NC(=O)OCc1ccccc1)C(=O)NCC(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?