O=C(N1CCc2ccc(S(=O)(=O)N3CCN(S(=O)(=O)c4ccc5c(c4)OCCO5)CC3)cc2C1)C(F)(F)F
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?