You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[2-(2-chlorophenyl)oxiran-2-yl]-1-(2,4-difluorophenyl)-2-imidazol-1-ylethanol is given. What is its corresponding molecular formula?
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C19H15ClF2N2O2
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