You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[[(2R)-3-methylbutan-2-yl]amino]-2-oxoethyl] 2-[(3,4-dimethoxyphenyl)sulfonylamino]acetate into its molecular formula.
user
C17H26N2O7S
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