label: N,N-dimethylmescaline + S-adenosyl-L-homocysteine + H(+) => N-methylmescaline + S-adenosyl-L-methionine
label_lc: n,n-dimethylmescaline + s-adenosyl-l-homocysteine + h(+) => n-methylmescaline + s-adenosyl-l-methionine