You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(4-chloro-2-ethyl-5-methylpyrazol-3-yl)methyl]-N,N-dimethylpiperazine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H24ClN5O
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