You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-1-(3,4-dimethylphenyl)-1,3-diazinane-2,4,6-trione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H22ClN3O3
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