CC(C)[C@H](NC(=O)[C@H](C(C)C)N(Cc1ccccc1)Cc1ccccc1)C(=O)N(C)[C@H](C(=O)N1CCC[C@H]1C(=O)N(C)[C@H](C)C(=O)NCc1ccc(Cl)cc1)C(C)C
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?