C[C@H]1/C(=C/C(=O)OCCN(C)C)CC[C@H]2[C@H]1C(=O)C[C@H]1C(C)(C)[C@@H](O)CC[C@]21C.O=S(=O)(O)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?