CC(C)C1C(=O)N(Cc2cn(Cc3ccco3)nn2)CCS(=O)(=O)N1Cc1ccc(-c2cccc(N(C)C)c2)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?