COc1ccc(N(C(=O)CNC(=O)c2cccs2)C(C(=O)NCC2CCCO2)c2ccccc2)c(OC)c1
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?