preferred_name: a thiol + S-adenosyl-L-methionine <=> a methyl thioether + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: a thiol + s-adenosyl-l-methionine <=> a methyl thioether + s-adenosyl-l-homocysteine + h(+)
label: a thiol + S-adenosyl-L-methionine <=> a methyl thioether + S-adenosyl-L-homocysteine + H(+)
label_lc: a thiol + s-adenosyl-l-methionine <=> a methyl thioether + s-adenosyl-l-homocysteine + h(+)