Cc1cc2c(cc1C)N[C@@]1(C[C@@H]3CCN4C(=O)CC[C@H](C1)[C@H]34)C(Nc1ccccc1C)=N2
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?