COc1ccc2nc3cc(Cl)ccc3c(NCCCCCC(=O)NC(COc3cnc4c(ccc5cccnc54)c3)COc3cnc4c(ccc5cccnc54)c3)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?