preferred_name: an S-substituted glutathione + a halide anion + H(+) => RX + glutathione
preferred_name_lc: an s-substituted glutathione + a halide anion + h(+) => rx + glutathione
label: an S-substituted glutathione + a halide anion + H(+) => RX + glutathione
label_lc: an s-substituted glutathione + a halide anion + h(+) => rx + glutathione