Under IUPAC nomenclature, a molecule named lithium;4-(3-carbamoyl-2-methylanilino)-N-methyl-6-(pyridin-2-ylamino)pyridazine-3-carboxamide;methane;2-methyl-3-[[3-(methylcarbamoyl)-6-(pyridin-2-ylamino)pyridazin-4-yl]amino]benzoic acid;methyl 2-methyl-3-[[3-(methylcarbamoyl)-6-(pyridin-2-ylamino)pyridazin-4-yl]amino]benzoate;N-methyl-4-[2-methyl-3-(1H-1,2,4-triazol-5-yl)anilino]-6-(pyridin-2-ylamino)pyridazine-3-carboxamide;hydroxide is given. What is its corresponding molecular formula?