COc1ccc2nc3cc(Cl)ccc3c(SCC(=O)Nc3ccccc3-c3ccccc3NC(=O)CSc3c4ccc(Cl)cc4nc4ccc(OC)cc34)c2c1
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?