Cc1cccc(N2CCN(C(=O)CN3C(=O)COc4ccc(S(=O)(=O)N5CCOCC5)cc43)CC2)c1C
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?