You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[(2S)-2-[(1-acetylpyrrolidine-2-carbonyl)amino]-4-methylpentanoyl]amino]-N'-[(2S)-1-oxo-1-[[(1S)-1-phenylethyl]amino]-3-phenylmethoxypropan-2-yl]propanediamide by IUPAC nomenclature, provide its molecular formula.
user
C34H46N6O7
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