CC1=CC(C)(C)n2c(O)c(C3=NC(=S)NC3=O)c3cc(OC(=O)c4cccc5ccccc45)cc1c32
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?