You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named dicesium;3-(bromomethyl)-3-methyloxetane;ethyl 1H-indazole-3-carboxylate;ethyl 1-[(3-methyloxetan-3-yl)methyl]indazole-3-carboxylate;hydrogen carbonate by IUPAC nomenclature, provide its molecular formula.
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C31H38BrCs2N4O9+
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