CCN(C(=O)C1CCN(S(=O)(=O)c2ccc3c(c2)CCCN3C(=O)C2CCC2)CC1)c1cccc(C)c1
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?