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 6-dimethoxyphosphoryl-2-ethenyl-2-(4-fluorophenyl)-3,4-dihydro-1H-pyrido[2,1-a]isoindole is given. What is its corresponding molecular formula?
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C22H23FNO3P
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