Gravar-mail: Penta­kis­(μ(3)-N,2-di­oxido­benzene-1-car­box­imid­ato)di-μ(2)-formato-penta­kis­(1H-imidazole)­methanolpenta­manganese(III)man­gan­ese(II)–methanol–water (1/3.36/0.65)