COCCN1C(=O)C2=C(C1=O)C1N(C)c3ccccc3C13CC(CO)N(C(=O)c1ccc(Br)cc1)C3=N2
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?