label: a ribonucleotidyl-ribonucleotide-RNA + GMP + diphosphate + H(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-RNA + a 5'-end dephospho-ribonucleoside-RNA + GTP + H2O
label_lc: a ribonucleotidyl-ribonucleotide-rna + gmp + diphosphate + h(+) => a 3'-end 2',3'-cyclophospho-ribonucleotide-rna + a 5'-end dephospho-ribonucleoside-rna + gtp + h2o