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system
Name the molecular formula for the molecule established as 2-[(E)-(3-bromo-2,5-dimethyl-4-oxoniumylidenecyclohexa-2,5-dien-1-ylidene)-(3-bromo-4-hydroxy-2,5-dimethylphenyl)methyl]benzenesulfonate using the IUPAC nomenclature.
user
C23H20Br2O5S
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