CCOC(=O)c1c(C)[nH]c(C)c1S(=O)(=O)N1CCC(C(=O)N2CCN(c3cccc(C)c3C)CC2)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?