CCC(C)C1NC(=O)C2CCCN2C(=O)CNC(=O)C(C)NC(=O)C(Cc2ccccc2)NC(=O)C(C(C)C)NC1=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?