COc1ccc2cc1Oc1ccc(cc1)CC1c3cc4c(cc3CCN1C)Oc1c(OC)cc3c(c1O4)C(C2)N(C)CC3
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?