COc1ccc(C2CC(=O)N(Cc3ccccc3)c3c2c(C)nn3-c2nc(C)cc(C)n2)c(OC)c1
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?