CCc1ccc([C@H]2C(C(=O)O)=C[C@@H](CC3CCCC3)N2S(=O)(=O)c2ccc(C)cc2)cc1
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?