CC(C)(C)OC(=O)C[C@@H]1C/C=C\C[C@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)NC[C@H](c2ccccc2)OC1=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?