CCCNC(=O)OC[C@@H]1O[C@H](CCO/N=C\[C@@H](C)[C@H](OCc2ccccc2)C(C)C)C=C[C@@H]1Oc1ccc(OC)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?