You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule tert-butyl (3S,4S)-3-methyl-4-[(1R)-1-methyl-2-oxo-3,5-dihydro-1H-[1,2,4]triazino[3,4-c][1,4]benzoxazin-9-yl]piperidine-1-carboxylate into molecular formula.
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C22H30N4O4
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