CC(C)C1=CC(=O)C(C)(C2C(O)CC3(C)C4CC=C5C(CCC(OC6OC(CO)C(O)C(O)C6OC6OC(C)C(O)C(O)C6O)C5(C)C)C4(C)C(=O)CC23C)O1
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?