CC(=O)Nc1sc(C)c(C)c1C(=O)OCC(=O)N(CC(C)C)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=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?