label: cyclo(L-arginyl-L-leucyl) + tRNA(Arg) + tRNA(Leu) + 2 H(+) => L-leucyl-tRNA(Leu) + L-arginyl-tRNA(Arg)
label_lc: cyclo(l-arginyl-l-leucyl) + trna(arg) + trna(leu) + 2 h(+) => l-leucyl-trna(leu) + l-arginyl-trna(arg)