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 N-[1-(4-chlorophenyl)-3-phenylpropyl]-4-methyl-1-[2-(3-methyl-1,2-oxazol-5-yl)acetyl]pyrrolidine-2-carboxamide into molecular formula.
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C27H30ClN3O3
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