Cc1cc2c(C(C)C)c(O)c(O)c(/C=N/c3cc(C(F)(F)F)ccc3Cl)c2c(O)c1-c1c(C)cc2c(C(C)C)c(O)c(O)c(/C=N/c3cc(C(F)(F)F)ccc3Cl)c2c1O
Molecules with a polar surface area of greater than 140 angstroms squared (Å2) tend to be poor at permeating cell membranes. What's the psa of this molecule?