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-[[2-[1-[(2-fluorophenyl)methyl]-5-(1,2-oxazol-3-yl)pyrazol-3-yl]pyrimidin-4-yl]amino]-2-oxo-1-phenylethyl] acetate into molecular formula.
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C27H21FN6O4
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