CCc1cc2c(nc1CC)CCN(CC/C(C)=N/OCC[C@@H]1C=C[C@H](OC(C)=O)[C@H](COC(C)=O)O1)C2
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?