label: a 3'-end 2',3'-cyclophospho-ribonucleotide-RNA + H2O => a 3'-end 2'-phospho-ribonucleotide-RNA + H(+)
label_lc: a 3'-end 2',3'-cyclophospho-ribonucleotide-rna + h2o => a 3'-end 2'-phospho-ribonucleotide-rna + h(+)