CC[C@@]12CCCN3CC[C@@]4(c5ccc(OC)c(O)c5N(C(C)=O)[C@H]4CC1)[C@H]32
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?