Cc1ccc2c(c1)C1CN(C)CCC1N2C(=O)c1cccc(S(=O)(=O)N2CC(C)CC(C)C2)c1.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?