COc1ccc(/C=c2\s/c(=C3/SC(=S)N(c4ccccc4)C3=O)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?