CC(C)(C)CC(C)(C)c1cc2c(O)c(c1)Cc1cc(C(C)(C)CC(C)(C)C)cc(c1O)Cc1cc(C(C)(C)CC(C)(C)C)cc(c1O)Cc1cc(C(C)(C)CC(C)(C)C)cc(c1O)C2
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?