CN1CCN(Cn2nc(COc3ccccc3Cl)n(/N=C/c3ccc(-c4ccc(Cl)cc4Cl)o3)c2=S)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?