You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[[2-cyano-2-(10-methylacridin-9-ylidene)acetyl]amino]ethyl 2-methylprop-2-enoate;9,9-dichloro-10-methylacridine;10-methylacridin-9-one by IUPAC nomenclature, provide its molecular formula.
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C51H43Cl2N5O4
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