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 (5E)-5-[(2-chlorophenyl)methylidene]-2-(4-fluorobenzoyl)-3-phenyl-1H-1,2,4-triazin-6-one is given. What is its corresponding molecular formula?
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C23H15ClFN3O2
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