CC(NC(=O)C(Cc1ccc(OC(=O)c2ccccc2)cc1)NC(=O)OC(C)(C)C)C(=O)NC(Cc1ccccc1)C(=O)NCC(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?