label: 1-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)-2,4-dioxo-1,2,3,4-tetrahydrothieno(2,3-d)pyrimidin-6-yl)phenyl)-3-methoxyurea
label_lc: 1-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)-2,4-dioxo-1,2,3,4-tetrahydrothieno(2,3-d)pyrimidin-6-yl)phenyl)-3-methoxyurea