You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(2S)-4-methyl-1-oxo-1-[[2-oxo-3-[[2-(3-pyridin-2-ylphenyl)acetyl]amino]propyl]amino]pentan-2-yl]cyclopenta-1,3-diene-1-carboxamide is given. What is its corresponding molecular formula?
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C28H32N4O4
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