You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2R,3R,4R,5R,6R)-5-acetamido-3-hydroxy-2-(hydroxymethyl)-6-(2-trimethylsilylethoxy)oxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H54N2O19Si
assistant