You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named tert-butyl N-[3-(4-methyl-1,3-dioxo-4-prop-2-enylnaphthalen-2-yl)-1,1-dioxo-4H-1lambda6,2,4-benzothiadiazin-7-yl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C26H27N3O6S
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