CC[N+]1(C)[C@H]2CC[C@@H]1CC(OC(=O)[C@H]1CC[C@@](C(=O)OC3C[C@@H]4CC[C@H](C3)[N+]4(C)CC)(c3ccccc3)c3ccccc31)C2
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?