CC(C)OCCCNC(=O)C(NS(=O)(=O)c1ccc2c(c1)c(=O)n(C)c(=O)n2C)c1ccccc1
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?