You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2S,3R)-2-[[[2-[[(2S)-1-benzylpyrrolidine-2-carbonyl]amino]phenyl]-phenylmethylidene]amino]-5-ethoxy-5-oxo-3-(trifluoromethyl)pentanoic acid by IUPAC nomenclature, provide its molecular formula.
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C33H34F3N3O5
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