label: N-methyl-4-hydroxy-3,5-dimethoxyphenethylamine + S-adenosyl-L-homocysteine + H(+) => 4-hydroxy-3,5-dimethoxyphenethylamine + S-adenosyl-L-methionine
label_lc: n-methyl-4-hydroxy-3,5-dimethoxyphenethylamine + s-adenosyl-l-homocysteine + h(+) => 4-hydroxy-3,5-dimethoxyphenethylamine + s-adenosyl-l-methionine