You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(11-butyl-4-methyl-1-tricyclo[6.2.1.02,7]undeca-2(7),3,5-trienyl)-3-(difluoromethyl)-1-methylpyrazole-4-carboxamide ?
user
C22H27F2N3O
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