You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)carbamothioyl]-3,3-dimethylbutanamide using the IUPAC nomenclature.
user
C16H21N3OS2
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