You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[4-[4-[(3-chloro-4,5-difluorophenoxy)-difluoromethyl]-3,5-difluorophenyl]-3-fluorophenyl]-5-(ethenoxymethyl)oxane into molecular formula.
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C27H20ClF7O3
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