CCCCCCCCCCCCCCCCNc1nc(=O)n(C2CC(O)C(COP(=O)(O)OC3CC(n4cc(F)c(=O)[nH]c4=O)OC3CO)O2)cc1F
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?