Cc1ccc(N(C)C(=O)CN(C)S(=O)(=O)c2ccc3c(c2)n(C)c(=O)c(=O)n3C)cc1
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?