Cc1ccc(C)c(CN2C(=O)c3ccccc3Sc3ccc(C(=O)NCc4ccc5c(c4)OCO5)cc32)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?