Clc1ccc2c(c1)C(c1ccccc1Cl)=NCc1nnc(N3CCN(CCSc4ccccc4)CC3)n1-2.O.O=C(O)/C=C/C(=O)O
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?