CC1=CN2C(=NC(=O)CC2(C)C(=O)N(CC(=O)NC2CCCC2)c2cc(C)cc(C)c2)C=C1
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?