You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[5-chloro-2-[(1,5-dimethylpyrazol-3-yl)amino]pyridin-4-yl]amino]-N-methyl-5-(4-methylpiperazin-1-yl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H29ClN8O
assistant