COc1ccc(NC(=O)c2sc3nc(C)c(C(=O)Nc4ccc(Cl)cc4)c(-c4ccc(Br)cc4)c3c2N)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?