You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[[6-(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)-7,8-dihydro-5H-1,6-naphthyridin-3-yl]methyl]acetamide into molecular formula.
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C22H22N4O3
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