COc1ccc2c(c1)c1nn(CCN3CCCCC3)c3ccc4c(=O)n(CCN(C)C)c(=O)n2c4c13.Cl
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?