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 N-[4-chloro-1-[(4-fluorophenyl)methyl]pyrazol-3-yl]-4-(difluoromethoxy)benzamide is given. What is its corresponding molecular formula?
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C18H13ClF3N3O2
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