Gravar-mail: Synthesis and crystal structure of a penta­copper(II) 12-metallacrown-4: cis-di­aqua­tetra­kis­(di­methyl­formamide-κO)manganese(II) tetra­kis­(μ(3)-N,2-dioxido­benzene-1-carboximidate)penta­copper(II) di­methyl­formamide monosolvate