Cc1ccc(S(=O)(=O)N[C@H](C(=O)N2CCC(C(=O)N[C@@H](CCC(N)=O)C(=O)O)CC2)C(C)C)cc1
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?