CCN(CC)CC(=O)O[C@]1(CC)C(=O)OCc2c1cc1n(c2=O)Cc2cc3ccccc3nc2-1.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?