You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(3-chlorophenyl)-N-[4-[(Z)-[(6-methyl-5-oxo-4H-1,2,4-triazin-3-yl)hydrazinylidene]methyl]-1,3-thiazol-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C16H14ClN7O2S
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