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 5-[(2-chlorophenyl)methyl]-4-[(4,4-difluorocyclohexyl)methyl]-2-(2,2,2-trifluoroethyl)-1,2,4-triazol-3-one is given. What is its corresponding molecular formula?
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C18H19ClF5N3O
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