CC(=O)Nc1ccc(S(=O)(=O)Nc2nc(-c3ccc(Cl)cc3)cc(N3N=C(c4ccc(Br)cc4)CC3c3ccccc3)n2)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?