COC(=O)C/C=C\[C@@H](C)[C@@H](/C=N\O[C@@H](C)CN1CCCc2nc(C)c(C)cc21)NS(=O)(=O)c1ccc(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?