You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-N-[(3S)-1,1-dioxothiolan-3-yl]-2-[[5-(2-phenylethylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]propanamide into its molecular formula.
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C17H22N4O3S3
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