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 1-[1-[(6-methoxypyridin-3-yl)methyl]-3-[3-(trifluoromethyl)phenyl]-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-5-yl]ethanone .
user
C22H21F3N4O2
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