Cc1ccc(-n2ncc(C(=O)NCCc3c[nH]c4ccccc34)c2C2CCN(C(=O)OC(C)(C)C)CC2)cc1C
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?