DNA (5'-D(*CP*GP*AP*TP*GP*TP*AP*CP*AP*TP*CP*G)-3'), dimethyl-[3-[3-[[1-methyl-4-[[1-methyl-4-[[1-methyl-4-[[1-methyl-4-[4-[[1-methyl-4-[[1-methyl-4-[[1-methyl-4-[(1-propan-2-ylimidazol-2-yl)carbonylamino]pyrrol-2-yl]carbonylamino]pyrrol-2-yl]carbonylamino]pyrrol-2-yl]carbonylamino]butanoylamino]imidazol-2-yl]carbonylamino]pyrrol-2-yl]carbonylamino]pyrrol-2-yl]carbonylamino]pyrrol-2-yl]carbonylamino]propanoylamino]propyl]azanium