COc1ccccc1N1CCN(C(=O)C2CCN(S(=O)(=O)c3c(C)noc3/C=C/c3ccc(C)cc3)CC2)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?