Cl.N[C@@H](Cc1ccccc1)C(=O)N1CCC(C(=O)N[C@@H](CCC(=O)O)C(=O)O)CC1
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?