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