CC1=NN(C(=O)CC(=O)Nc2cccc(Cl)c2)C(=O)C1/N=N\c1ccc(S(=O)(=O)c2ccc(/N=N/C3C(=O)N(C(=O)CC(=O)Nc4cccc(Cl)c4)N=C3C)cc2)cc1
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.