COc1cccc(C(C#N)NNC(=O)c2c(Cl)c(Cl)c(Cl)c(Cl)c2-c2nc3cc(C(=O)c4ccccc4)ccc3[nH]2)c1O
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?