CNCCN[C@@H]1c2cc3c(cc2[C@@H](c2cc(OC)c(O)c(OC)c2)[C@H]2C(=O)OC[C@H]12)OCO3.Cl
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?