Poly[[μ<sub>2</sub>-1,4-bis(imidazol-1-ylmethyl)benzene](μ<sub>4</sub>-3,5,9,11-tetraoxo-4,10-diazatetracyclo[5.5.2.0<sup>2,6</sup>.0<sup>8,12</sup>]tetradec-13-ene-4,10-diido)disilver(I)]
Acta crystallographica. Section E