COC(=O)/C=C(\CC(=O)OC)n1nnnc1[C@@H]1C[C@H](COC(c2ccccc2)(c2ccccc2)c2ccccc2)[C@H]2OC(C)(C)O[C@@H]12
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?