You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(4-azido-2-nitroanilino)ethyl N-[2-[[(1S,2S,3R,4S,5S)-2,3,4,5-tetrahydroxy-5-(hydroxymethyl)cyclohexyl]amino]ethyl]carbamate into its molecular formula.
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C18H27N7O9
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