Clc1ccc(C2=C(c3ccccc3)C(c3ccc(Cl)cc3)N3C(=N[C@H]4CCCC[C@@H]43)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?