COc1ccc(N2CCN(C(=O)c3ccc4c(c3)N(Cc3cccc(Cl)c3)C(=O)c3ccccc3S4(=O)=O)CC2)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?