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Under IUPAC nomenclature, a molecule named 5-[[4-[(6-chloro-2,7-dideuteriothieno[3,2-d]pyrimidin-4-yl)-deuterioamino]-4-deuteriopiperidin-1-yl]-deuteriomethyl]-3-deuterio-2-fluorobenzonitrile is given. What is its corresponding molecular formula?
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C19H17ClFN5S
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