You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[[(2S)-2-amino-3-hydroxy-2-methylpropanoyl]amino]-N-[1-[(2S,5S,6S)-5-[(2R,3R,4R,5S,6S)-3,4-dihydroxy-6-methyl-5-(methylamino)oxan-2-yl]oxy-6-methyloxan-2-yl]-2-oxopyrimidin-5-yl]benzamide by IUPAC nomenclature, provide its molecular formula.
user
C28H40N6O9
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