You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[3-(2H-[1,3]thiazolo[4,5-b]pyrazin-3-yl)phenyl]-2H-[1,3]thiazolo[4,5-b]pyrazine .
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C16H12N6S2
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