Cc1ccc(Nc2ccc(Nc3ccc(C)cc3S(=O)(=O)O)c3c2C(=O)c2ccccc2C3=O)c(S(=O)(=O)[O-])c1.[Na+]
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?