You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3S)-1,1-dioxothiolan-3-yl]sulfanyl-N-(2-methylimidazo[1,2-a]pyridin-6-yl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H17N3O3S2
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