You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl N-(2-aminoethyl)-N-[2-[[2-[2-(5-nitrofuran-2-carbonyl)hydrazinyl]-2-oxo-1-phenylethyl]amino]-2-oxoethyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C22H28N6O8
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