CC(C)(C)NC(=O)C1N(c2cccnc2)C(=O)C2C(C(=O)Nc3ccccc3F)C3(C)C=CC21O3
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?