COc1ccc(N2CCN(C(=O)Cn3cnc4sc(C)c(S(=O)(=O)N5CCC(C)CC5)c4c3=O)CC2)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?