CC(C)CC(=O)CC(C)[C@]1(CCCOCc2ccccc2)C(=O)N2CCC3(C[C@@]24CCC[C@@H]14)OCCO3
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?