CN(C)C(n1cc2c(c1)-c1ccc(Cl)cc1C(c1ccccc1F)=NC2)n1cc2c(c1)-c1ccc(Cl)cc1C(c1ccccc1F)=NC2
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.