You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-chlorophenyl)-5-(1-methylpyrrol-2-yl)-N-(2-piperidin-1-ylethyl)pyrazole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H26ClN5O
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