Cc1ccc(CNC(=O)[C@H](C)[C@H]2C[C@]2(C)[C@H](NC(=O)OCc2ccccc2)c2ccccc2)o1
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?