You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 5-[4-(1,3-dioxobenzo[de]isoquinolin-2-yl)butanoylamino]-1-methylpyrazole-4-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22N4O5
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