Cc1cccc(NC(=O)Cn2c(=O)n(Cc3ccc(C(=O)NCc4ccc5c(c4)OCO5)cc3)c(=O)c3ccccc32)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?