CC(C)NC(=O)Nc1ccc2c(c1)C(=O)N([C@H](C)CO)C[C@H](C)[C@@H](CN(C)C(=O)NC(C)C)O2
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?