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 5-chloro-N-[(2,3-dimethyl-5-oxo-1H-pyrazol-4-yl)methyl]-3-[ethyl-[4-[(4-methoxyphenyl)methyl-methylamino]cyclohexyl]amino]-2-methylbenzamide .
user
C31H42ClN5O3
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