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-[(Z)-(5,6-dichloro-3-oxo-2-bicyclo[2.2.1]heptanylidene)amino]-4-methylbenzenesulfonamide into molecular formula.
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C14H14Cl2N2O3S
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