preferred_name: an S-substituted L-cysteinylglycine + L-glutamate => an S-substituted glutathione + H2O
preferred_name_lc: an s-substituted l-cysteinylglycine + l-glutamate => an s-substituted glutathione + h2o
label: an S-substituted L-cysteinylglycine + L-glutamate => an S-substituted glutathione + H2O
label_lc: an s-substituted l-cysteinylglycine + l-glutamate => an s-substituted glutathione + h2o