You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named benzyl (2S)-4-methyl-2-[[(2S,3R)-2-[[(2S)-2-[[3-methyl-2-[[(1S)-1-[[2-[(2-methylpropan-2-yl)oxycarbonylamino]acetyl]amino]-2-phenylethyl]carbamoyl]butanoyl]amino]-3-phenylpropanoyl]amino]-3-phenylmethoxybutanoyl]amino]pentanoate by IUPAC nomenclature, provide its molecular formula.
user
C54H70N6O10
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