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 (4R,5R)-5-[2,5-dimethyl-1-(5-methylpyridin-2-yl)pyrrol-3-yl]-1-(2-methoxyphenyl)-4-pyridin-2-ylimidazolidine-2-thione is given. What is its corresponding molecular formula?
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C27H27N5OS
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