Cc1c(NC(=O)C(C)OC(=O)C(NC(=O)c2ccco2)C(C)C)c(=O)n(-c2ccccc2)n1C
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?