O=C(NC1CCN(Cc2ccccc2)CC1)c1ccc(Cn2c(=O)c3ccccc3n(Cc3cccc(F)c3)c2=O)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?