COc1ccc(NC(=O)Cn2c(=O)n(CCCC(=O)NCCc3ccc(C)cc3)c(=O)c3ccccc32)cc1Cl
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?