CCC1CC(C)C(O)/C=C/C=C/CC(C)OC(=O)CC(O)C(OC)C1OC1OC(C)CC(O)(C(C)=O)C1O
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?