CC(=O)OC[C@@H]1O[C@H](CCO/N=C\[C@@H](C)[C@H](OCc2ccccc2)C(C)C)C=C[C@@H]1OC(C)=O
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?