preferred_name: (4E,8E)-10-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-2-benzofuran-5-yl)-4,8-dimethyldeca-4,8-dienoate + S-adenosyl-L-homocysteine + H(+) => (4E,8E)-10-(4,6-dihydroxy-7-methyl-3-oxo-1,3-dihydro-2-benzofuran-5-yl)-4,8-dimethyldeca-4,8-dienoate + S-adenosyl-L-methionine