COC(=O)c1cc(=O)n(CCc2ccc(OC)c(OC)c2)/c(=N/c2ccc(F)c(Cl)c2)s1
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?