CCOc1cc(C(=O)N2CCC(CC3CC(c4ccccc4)=NO3)(C(=O)NCc3ccc(OC)cc3)CC2)cc(OCC)c1OCC
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?