CC(C)(C)OC(=O)NC(Cc1ccc(OC(C)(C)C)cc1)C(=O)N[C@H]1CCC[C@H]1C(=O)NC(Cc1ccccc1)C(=O)N1CCCC1C(N)=O
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?