You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[4-(1-methyl-2,5-dioxopyrrolidin-3-yl)-1,2,4-triazol-3-yl]sulfanyl]acetic acid into its molecular formula.
user
C9H10N4O4S
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