You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-chloro-2-(2-chloroethoxy)-3-ethyl-5-[2-[4-[(E)-2-methyl-3-prop-1-en-2-yloxyprop-2-enoxy]phenyl]propan-2-yl]benzene by IUPAC nomenclature, provide its molecular formula.
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C26H32Cl2O3
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