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 N-(3-chloro-4-methylphenyl)-2-[7-(4-chlorophenyl)-6-(methoxymethyl)-2-oxo-1,3-dihydroimidazo[1,2-b]pyrazol-3-yl]acetamide ?
user
C22H20Cl2N4O3
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