You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 6-O-tert-butyl 3-O-ethyl 2-(octadecanoylamino)-5,7-dihydro-4H-thieno[2,3-c]pyridine-3,6-dicarboxylate into its molecular formula.
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C33H56N2O5S
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