label: deacetoxyvindoline + S-adenosyl-L-homocysteine + H(+) => (3R)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + S-adenosyl-L-methionine
label_lc: deacetoxyvindoline + s-adenosyl-l-homocysteine + h(+) => (3r)-3-hydroxy-16-methoxy-2,3-dihydrotabersonine + s-adenosyl-l-methionine