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 7-[3-(2-oxo-3H-benzimidazol-1-yl)propylsulfanylmethyl]-[1,3]thiazolo[3,2-a]pyrimidin-5-one .
user
C17H16N4O2S2
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