C(=N/Nc1ccc(-c2nc3ccccc3[nH]2)cc1)\c1c(-c2ccc(Cc3ccccc3)cc2)[nH]c2ccccc12.Cl
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?