CCCCc1cn([C@@H](CCCCNC(=O)OC(C)(C)C)C(=O)N2CCN(C(=O)OC(C)(C)C)CC2)nn1
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?