Cc1ccc(-c2ccc(CN3C(C)C(=O)N(Cc4cn(Cc5ccco5)nn4)CCS3(=O)=O)cc2)c(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?