CC(=O)OCC1OC(n2cc(F)c(=O)[nH]c2=O)C(NC(=O)N(CCCl)N=O)C(OC(C)=O)C1OC(C)=O
Molecules with a polar surface area of greater than 60 angstroms squared (Å2) is hard to pass brain blood barrier. What's the psa of this molecule?