You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2-ethyl-4,5,6,7-tetrahydroindazol-3-yl)-[(2R)-2-[4-(4-fluorophenyl)-6-methylpyridin-2-yl]pyrrolidin-1-yl]methanone .
user
C26H29FN4O
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