CC1(CNCc2ccccc2)CC(CCc2ccccc2)N(C(=O)c2ccc([N+](=O)[O-])cc2)C1Cc1ccc(O)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?