You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(2-chlorophenyl)-N-[(Z)-[1-(2,4-dichlorophenyl)-2,5-dimethylpyrrol-3-yl]methylideneamino]methanamine .
user
C20H18Cl3N3
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