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 5-chloro-2-N-(2-methoxy-4-morpholin-4-ylsulfonylphenyl)-4-N-(oxolan-3-yl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine is given. What is its corresponding molecular formula?
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C21H25ClN6O5S
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