CN1CCN(C(=O)C[C@H]2C[C@H]3c4cc(NC(=O)NC5CCCCC5)ccc4O[C@H]3[C@@H](CO)O2)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?