CC(=O)c1ccc(N2C(=O)[C@H]3NN=C(C(=O)CCN4C(=O)c5ccccc5C4=O)[C@H]3C2=O)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?