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 1-[[4-[5-(carbamoylamino)thiophen-2-yl]phenyl]methyl]-N,N-diethylpiperidine-3-carboxamide is given. What is its corresponding molecular formula?
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C22H30N4O2S
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