CCN1C(=O)/C(=C/C=C2\N(CC)c3cc(S(=O)(=O)N(C)C)ccc3N2c2ccccc2)SC1=S
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?