COc1cc(OC)c2c(c1C(CCN1CCCCC1)c1ccc(N(C)C)cc1)OC(=O)CC2c1ccc(N(C)C)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?