preferred_name: S-(hercyn-2-yl)-L-cysteine S-oxide + H2O => hercynine + L-cysteine + O2
preferred_name_lc: s-(hercyn-2-yl)-l-cysteine s-oxide + h2o => hercynine + l-cysteine + o2
label: S-(hercyn-2-yl)-L-cysteine S-oxide + H2O => hercynine + L-cysteine + O2
label_lc: s-(hercyn-2-yl)-l-cysteine s-oxide + h2o => hercynine + l-cysteine + o2