Cc1ccc2[nH]c(C)c(/C=C3/C(=N)N4N=C(CC(=O)N5CCOCC5)SC4=NC3=O)c2c1
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?