O=C(NC(N1CCN(c2cc3c(cc2F)c(=O)c(C(=O)O)cn3C2CC2)CC1)(C(F)(F)F)C(F)(F)F)c1ccccc1
Molecules with a polar surface area of greater than 60 angstroms squared (Å2) is hard to pass brain blood barrier. What's the psa of this molecule?