COc1ccc(C2CC(=O)C(C(c3ccc(O)cc3)C3C(=O)CC(c4ccc(OC)cc4)CC3=O)C(=O)C2)cc1
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?