You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl (E,4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-1-acetylpyrrolidine-2-carbonyl]amino]propanoyl]amino]-4-(diaminomethylideneamino)butanoyl]amino]-7-amino-7-oxohept-2-enoate;2,2,2-trifluoroacetic acid into its molecular formula.
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C26H41F3N8O9
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