You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[2-[(3-tert-butyl-4,5-dihydro-1,2-oxazol-5-yl)methoxy]ethyl]-6-phenoxy-4H-pyrido[3,4-d]pyrimidin-2-amine by IUPAC nomenclature, provide its molecular formula.
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C23H29N5O3
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