You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named tert-butyl 3-[4-[(3-ethyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)amino]-3,4-dioxobutyl]-2-pyrrol-1-yl-5,7-dihydro-4H-thieno[2,3-c]pyridine-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C30H37N3O4S2
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