You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-2-[[(2R,3R,4R,5S,6R)-3-acetyl-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]amino]-3-hydroxypropanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C11H19NO8
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