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Convert the IUPAC name of a molecule 2-[(4E,6E)-8-amino-3,7-dimethyl-8-oxoocta-4,6-dien-4-yl]-N-(2,2-dimethylpropyl)-2,5-dihydro-1H-pyrrolo[2,3-b]pyrazine-7-carboxamide into molecular formula.
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C22H33N5O2
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