C[C@@H](CO)N1C[C@@H](C)[C@H](CN(C)S(C)(=O)=O)Oc2ccc(NS(=O)(=O)c3ccccc3)cc2CC1=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?