You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2,6-dibromo-4-[(E)-2-cyano-3-(4-hydroxyanilino)-3-oxoprop-1-enyl]phenoxy]acetic acid into its molecular formula.
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C18H12Br2N2O5
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