CCC1=C2CC[C@H]3C(=O)N(c4ccccc4)C(=O)[C@H]3[C@H]2[C@@]2(Cc3ccccc3)/C(=N\CC3CC3)OC(=O)N2C1=O
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?