You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[2-[4-(4-nitrophenyl)piperazin-1-yl]-2-oxoethyl]-4-thiophen-2-yltetrazol-5-one into its molecular formula.
user
C17H17N7O4S
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