CC[C@@H](C)[C@H](NS(=O)(=O)c1cccc2ccccc12)C(=O)N[C@H](C=O)Cc1c[nH]c2ccccc12
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?