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 N-[4-[5-[(5S)-4-methoxy-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl]tetrazol-1-yl]phenyl]acetamide is given. What is its corresponding molecular formula?
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C21H22N6O4
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