Cn1cc2ccccc2c1-c1nc(F)nc(Oc2ccc3c(c2)CC[C@@H]2C3CC[C@@]3(C)C2CC[C@@H]3O)n1
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?