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-[4-[(4R,5R)-5-(2,5-dimethyl-1-pyridin-2-ylpyrrol-3-yl)-4-pyridin-2-yl-2-sulfanylideneimidazolidin-1-yl]-2-methoxyphenyl]methanesulfonamide into molecular formula.
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C27H28N6O3S2
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