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 5-[3-(4-fluorophenyl)-7-(5-methyl-5-pyridin-4-yl-4H-1,2-oxazol-3-yl)-4-oxo-4a,5-dihydroquinazolin-2-yl]pentanoic acid into molecular formula.
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C28H27FN4O4
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