CCN1CCN(Cc2ccc(NC(=O)c3ccc(C)c(NC(=O)c4nccnc4N)c3)cc2C(F)(F)F)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?