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 4,6-dimethyl-8-[(2S)-4-methyl-2-(methylamino)pentoxy]-5-oxobenzo[c][2,7]naphthyridine-9-carbonitrile into molecular formula.
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C22H26N4O2
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