Cc1[nH]n(-c2ccccc2)c(=O)c1C(N(CCc1ccccc1)C1=NCC(C)S1)(C(F)(F)F)C(F)(F)F
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?