You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2R)-2-[(2S,3S,4S,5R)-2-acetamido-4,5,6-trihydroxy-1-oxohexan-3-yl]oxypropanoic acid by IUPAC nomenclature, provide its molecular formula.
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C11H19NO8
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