CN1CCN(c2ccc3[nH]c(-c4ccc5[nH]c(CCCc6ccc(N(CCCl)CCCl)cc6)nc5c4)nc3c2)CC1.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?