You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-(2-iodo-4-sulfamoylanilino)-2-oxoethyl]-[(2-methylpropan-2-yl)oxycarbonyl]amino]acetic acid into its molecular formula.
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C15H20IN3O7S
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