CCOC(=O)C1=C(C)N(Cc2ccccc2)C2(O)C=CC(O)=C3C(=O)c4ccccc4C(=O)C312
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?