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 2-(3,4-dihydro-2H-quinolin-1-yl)-N-(5-methyl-4,5-dihydro-1,2-oxazol-3-yl)-2-phenylacetamide into molecular formula.
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C21H23N3O2
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