You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule ethyl 2-[2-[4-[2-oxo-2-(propylamino)ethyl]piperazin-1-yl]propanoylamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate ?
user
C23H36N4O4S
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