You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 7-methyl-4-[3-(2-methyl-1-oxidopyridin-1-ium-4-yl)phenyl]-8-(trifluoromethyl)-1,3-dihydro-1,5-benzodiazepin-2-one is given. What is its corresponding molecular formula?
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C23H18F3N3O2
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