You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(1S)-1-cyano-1-cyclopropylethyl]-2-[4-(5-ethyl-1,3-thiazol-2-yl)piperazin-1-yl]acetamide into its molecular formula.
user
C17H25N5OS
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