Nc1c(-c2ccc(NC(=O)Nc3cccc(C(F)(F)F)c3)cc2)cnc2c(-c3ccc4c(c3)OCO4)cnn12
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?