CCOC(=O)N1CCN(C(=O)c2ccc3c(=O)n(CCc4ccc(OC)c(OC)c4)c(=O)[nH]c3c2)CC1
Molecules with a polar surface area of greater than 140 angstroms squared (Å2) tend to be poor at permeating cell membranes. What's the psa of this molecule?