You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-(3,5-dimethylpyrazol-1-yl)-6-oxopyridazin-1-yl]-N-(4-phenylmethoxyphenyl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H23N5O3
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