You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(2S,3S,4R,5S,6R)-2-[2-[[2-[acetyl(2-phenylethyl)amino]acetyl]amino]ethoxy]-3,5,6-trisulfooxyoxan-4-yl] hydrogen sulfate .
user
C19H28N2O20S4
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