CCOC(=O)c1ccc(/N=C2/C(=S)N(c3ccc(C(=O)OCC)cc3)C(=N)N2/N=C/c2ccccc2)cc1
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?