CCCCCCn1c(=O)n2n(c1=O)[C@@H]1CN(S(=O)(=O)c3ccc(C)cc3)C[C@]1(O)[C@@H](OC(=O)NCc1ccco1)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?