CCCCCCNC(=O)O[C@H]1Cn2c(=O)ccc(=O)n2[C@@H]2CN(S(=O)(=O)c3ccc(C)cc3)C[C@]12O
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?