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-(4-chloro-2,5-dimethoxyphenyl)-6-methyl-2-pyrrolidin-1-yl-7H-pyrrolo[2,3-d]pyrimidin-4-amine is given. What is its corresponding molecular formula?
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C19H22ClN5O2
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