Cc1ccc(C(=O)NCCN2C3=NC[C@H](Cc4ccc(O)cc4)N3C[C@H]2Cc2ccc(O)cc2)cc1Br
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?