You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[2-[[3,5-dichloro-4-[(4-chlorophenyl)-cyanomethyl]cyclohexa-2,4-dien-1-ylidene]hydrazinylidene]-3-iminopropanoyl]-N-ethylcarbamate into molecular formula.
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C20H14Cl3N5O3
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