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 1-(1,3-benzodioxol-5-yl)-2-(7,8-dihydro-6H-[1,3]dioxolo[4,5-g]isoquinolin-5-ylidene)ethanone is given. What is its corresponding molecular formula?
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C19H15NO5
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