You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name sodium;(2R,3R,4S,5S)-3-[(2R,3R,5R,6S)-3-acetamido-4-ethyl-5,6-dihydroxyoxan-2-yl]oxy-4,5-dihydroxy-6-methoxyoxane-2-carboxylate;methane into its molecular formula.
user
C17H30NNaO11
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