You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[(Z)-3-[3-(4-chloro-2-methylphenyl)-1,2-oxazol-5-yl]-3-iminoprop-1-enyl]imino-N-(4-chlorophenyl)butanamide into its molecular formula.
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C23H20Cl2N4O2
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