CC(=O)Oc1ccc(C(=O)Nc2cc(NC(=O)c3ccc(OC(C)=O)cc3)cc(C(=O)NC(C)(C)C)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?