CCC1CN2CCC1CC2[C@@H](NC(=S)Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1)c1cccc2ccc(OC)cc12
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?