COc1cc2cc(C(=O)N3CC(CCl)c4ccc([N+](C)(C)Cc5ccc([N+](=O)[O-])cc5)cc43)[nH]c2c(OC)c1OC.[Cl-]
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.