CCCC[P+](CCCC)(CCCC)Cc1ccc(NC(=O)[C@@H](Cc2ccc3ccccc3c2)N/C(=N\C2CCCCC2)NC2CCCCC2)cc1.Cl.[Cl-]
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?