COc1ccc(/C=C(\NC(=O)c2ccc(C)cc2)C(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)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?