COc1c(C)c(OC)c2c(c1O)[C@@H]1[C@@H]3Cc4c(OC)c(C)c(OC)c(O)c4[C@H](CNC(=O)c4ccc5ccccc5n4)N3[C@@H](C#N)[C@H](C2)N1C
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?