You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name benzyl N-[(2S)-1-[2-(3-amino-3-oxopropyl)-2-(2-chloro-2-fluoroacetyl)hydrazinyl]-4-methyl-1-oxopentan-2-yl]carbamate into its molecular formula.
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C19H26ClFN4O5
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