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 2-[(Z)-1-chloro-2-(3-chloro-4,5-dimethoxyphenyl)ethenyl]-4-oxo-3H-quinazoline-7-carboxylic acid into molecular formula.
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C19H14Cl2N2O5
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