Cc1cc(C)c2c(=O)cc(C(=O)Nc3ccc(S(=O)(=O)Nc4onc(C)c4C)cc3)oc2c1
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?