You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-2-benzylbutanoic acid;(2S,3S)-2-benzyl-3-[(4-iodophenyl)methyl]butanedioic acid;(2S,3S)-2-benzyl-4-(4-iodophenyl)-3-methylbutanoic acid;1-iodo-4-(iodomethyl)benzene into molecular formula.
user
C54H56I4O8
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