C[C@H]1CN([C@H](C)CO)C(=O)c2cc(C#C[C@@H](C)O)cnc2O[C@@H]1CN(C)Cc1ccc(-c2ccccc2)cc1
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?