Cc1c(C)c2ccc(OC(C)C(=O)N3C[C@@H]4C[C@H](C3)Cn3c4cccc3=O)c(C)c2oc1=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?