CN(C)CCCNC(=O)c1cc(NS(=O)(=O)c2ccc3c(c2)C(=O)c2ccccc2C3=O)cn1C
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?