You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2S)-1-[[(3R)-1,1-dioxothiolan-3-yl]amino]-1-oxopropan-2-yl] (2R)-2-phenylsulfanylpropanoate into its molecular formula.
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C16H21NO5S2
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