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 4-(9-carboxy-2,3-dihydro-[1,4]dioxino[2,3-g]quinolin-7-yl)-2-methoxyphenolate is given. What is its corresponding molecular formula?
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C19H14NO6-
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