Cc1ccc(S(=O)(=O)Nc2ccc3c(c2)c2c(n3S(=O)(=O)c3ccc(C)cc3)CCCC2=O)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?