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 1-(2-amino-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-7-yl)-3-[3-(4-fluorophenoxy)phenyl]propan-1-one into molecular formula.
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C22H21FN4O2
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