You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(4-chlorophenyl)-N-[(Z)-[3-ethoxy-5-iodo-4-[(4-nitrophenyl)methoxy]phenyl]methylideneamino]methanamine into its molecular formula.
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C23H21ClIN3O4
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