O=C(NCCN1C(=O)S/C(=C\c2cccnc2)C1=O)c1cc(S(=O)(=O)N2CCOCC2)ccc1F
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?