Cc1c(C)c2c(c(C)c1O)CC[C@@](C)(CN1CCN(c3cc(N4CCCC4)nc(N4CCCC4)n3)CC1)O2
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?