CCOC(=O)N1CCN(C(=O)c2ccc3c(c2)N(C)C(=O)/C(=C\c2ccc(OCC)c(OC)c2)S3)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?