You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[(2-chlorophenyl)methyl]-5-cyclopropyl-7-(3,3-difluoropyrrolidin-1-yl)triazolo[4,5-d]pyrimidine into its molecular formula.
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C18H17ClF2N6
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