label: 3'-demethylstaurosporine + S-adenosyl-L-methionine <=> staurosporine + S-adenosyl-L-homocysteine + H(+)
label_lc: 3'-demethylstaurosporine + s-adenosyl-l-methionine <=> staurosporine + s-adenosyl-l-homocysteine + h(+)