Cc1ccc(S(=O)(=O)N2C[C@H]3[C@H]4C(=O)N(c5ccccc5)C(=O)[C@H]4C[C@H](OC(=O)NC4CC4)[C@@]3(O)C2)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?