CC(=O)/N=C1/N(/C=C2\C(=O)Oc3ccccc3C2=O)C(=O)/C(=C/c2ccc(Cl)cc2Cl)N1C
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?