Cc1cc(-c2ccc(/N=N/c3cc(S(=O)(=O)[O-])c4ccccc4c3N)c(C)c2)ccc1/N=N/c1cc(S(=O)(=O)[O-])c2ccccc2c1N.[Na+].[Na+]
PSA is a commonly used medicinal chemistry metric for the optimization of a drug's ability to permeate cells. Please predict psa of this molecule.