Cc1ccc(C)c(N2CCN(C(=O)CCc3nnc4n(CC(C)C)c(=O)c5ccccc5n34)CC2)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?