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 4-[5-(3,4-difluorophenyl)-1-(oxan-2-yl)-6-(oxan-4-yl)pyrazolo[4,3-g]isoquinolin-8-yl]-3-fluorobenzoic acid is given. What is its corresponding molecular formula?
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C33H28F3N3O4
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