COC(=O)Cn1c(C(=O)N(C)C)cc2c1C[C@H]1CN(C(=O)c3ccccc3)[C@@](Cc3ccc(F)cc3)(C(=O)OC)[C@@H]21
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?