Cc1c(C(=O)N2CCCCC2)c(S(=O)(=O)NCCc2ccc(S(N)(=O)=O)cc2)c(C)n1C
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?