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 [4-[4-[(2,2-dimethylpyrrolidin-1-yl)methyl]triazol-1-yl]piperidin-1-yl]-[(2S)-spiro[2.3]hexan-2-yl]methanone ?
user
C21H33N5O
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