C[C@H]1CN([C@H](C)CO)C(=O)c2cccc(NC(=O)C3CCCCC3)c2O[C@@H]1CN(C)S(=O)(=O)c1cccs1
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?