Cc1c(-n2cc(C(=O)O)c(=O)c3cc(F)c(N4CCCC(O)C4)c(F)c32)c(=O)n(-c2ccccc2)n1C
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?