C=C(C)[C@@H]1CC[C@@H](C)[C@](O)([C@@H]2C[C@@H]([C@H](COC(=O)c3ccccc3)OC(=O)c3ccccc3)OC2=O)C1
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?