N#Cc1ccc(C23CC4(C2)[C@@H](c2ccccc2)N(CC2CCCCC2)C[C@@H]4C3c2ccccc2)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?