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-[2-(1H-indol-3-yl)ethyl]-1-(5-indol-1-ylthiophene-2-carbonyl)piperidine-4-carboxamide is given. What is its corresponding molecular formula?
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C29H28N4O2S
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