Cc1ccc(CNC(=O)c2ccc(Cn3c(=O)c4ccccc4n(CC(=O)Nc4c(C)cc(C)cc4C)c3=O)cc2)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?