CCCCOc1ccc(CC(NC(=O)OC(C)(C)C)C(=O)NC(C)C(=O)NC(Cc2ccccc2)C(=O)NCC(N)=O)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?