C[C@H]1CN(C(=O)c2nc3ccc(Cl)cn3c2CNCC[C@@H]2C[C@@H]3C=C[C@H]2C3)C[C@@H](C)O1
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?