CC(=O)Nc1ccc2c3c(cc(O)c2c1)N(C(=O)CCCCCCC(=O)N1CC(CCl)c2c1cc(O)c1cc(NC(C)=O)ccc21)CC3CCl
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?