c1ccc(C(/C(=N/c2ccc(Cc3ccc(/N=C(\C(c4ccccc4)c4ccccc4)N4CC4)cc3)cc2)N2CC2)c2ccccc2)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?