CCCCN1C(=N)N([C@@H](CCC)CN2CCC[C@H]2CN2C(N)=NC[C@@H]2Cc2ccccc2)C[C@H]1Cc1ccccc1
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?