Cc1c(CC(=O)N2CCN(C(=O)C3COc4ccccc4O3)CC2)c(=O)oc2c(C)c(O)ccc12
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?