CC(C)c1ccc(N(CC(=O)O)S(=O)(=O)c2ccc3[nH]c(=O)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?