You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[6-[(3-chlorophenyl)methyl]-5,7-dimethyl-4-oxopyrrolo[3,4-d]pyridazin-3-yl]-N-(2,3-dimethylphenyl)acetamide .
user
C25H25ClN4O2
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