You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[4-(6-chloro-2,3-dihydroindol-1-yl)quinazolin-7-yl]prop-2-enoic acid is given. What is its corresponding molecular formula?
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C19H14ClN3O2
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