You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-N-cyclooctyl-4-oxo-1-[[(2S)-oxolan-2-yl]methyl]-5-N-(thiophen-3-ylmethyl)pyridine-3,5-dicarboxamide into molecular formula.
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C25H33N3O4S
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