CC(=O)OCC1OC(n2c(C)c(/N=N/c3ccccc3)c(C)c(C#N)c2=S)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
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?