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 7-[[4-[3-(1-methyltetrazol-5-yl)sulfanylpropanoyl]piperazin-1-yl]methyl]-[1,3]thiazolo[3,2-a]pyrimidin-5-one ?
user
C16H20N8O2S2
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