CC[C@H](C)[C@H](NC(=O)N(CCC#N)CCN(CCN(C(=O)N[C@@H](Cc1ccccc1)C(=O)OC)c1ccccc1)C(=O)N[C@H](C(=O)OC)C(C)C)C(=O)OC
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?